399971880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:389

約数の個数: 384

約数和(自身を含む): 1660538880

約数和(自身を除く): 1260567000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 47, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 94, 99, 105, 110, 120, 126, 132, 140, 141, 154, 165, 168, 180, 188, 198, 210, 220, 231, 235, 252, 264, 280, 282, 307, 308, 315, 329, 330, 360, 376, 385, 396, 420, 423, 440, 462, 470, 495, 504, 517, 564, 614, 616, 630, 658, 660, 693, 705, 770, 792, 840, 846, 921, 924, 940, 987, 990, 1034, 1128, 1155, 1228, 1260, 1316, 1320, 1386, 1410, 1535, 1540, 1551, 1645, 1692, 1842, 1848, 1880, 1974, 1980, 2068, 2115, 2149, 2310, 2456, 2520, 2585, 2632, 2763, 2772, 2820, 2961, 3070, 3080, 3102, 3290, 3377, 3384, 3465, 3619, 3684, 3948, 3960, 4136, 4230, 4298, 4605, 4620, 4653, 4935, 5170, 5526, 5544, 5640, 5922, 6140, 6204, 6447, 6580, 6754, 6930, 7238, 7368, 7755, 7896, 8460, 8596, 9210, 9240, 9306, 9870, 10131, 10340, 10745, 10857, 11052, 11844, 12280, 12408, 12894, 13160, 13508, 13815, 13860, 14429, 14476, 14805, 15510, 16885, 16920, 17192, 18095, 18420, 18612, 19341, 19740, 20262, 20680, 21490, 21714, 22104, 23265, 23639, 23688, 25788, 27016, 27630, 27720, 28858, 28952, 29610, 30393, 31020, 32235, 32571, 33770, 36190, 36840, 37224, 38682, 39480, 40524, 42980, 43287, 43428, 46530, 47278, 50655, 51576, 54285, 55260, 57716, 59220, 60786, 62040, 64470, 65142, 67540, 70917, 72145, 72380, 77364, 81048, 85960, 86574, 86856, 93060, 94556, 96705, 101003, 101310, 108570, 110520, 115432, 118195, 118440, 121572, 128940, 129861, 130284, 135080, 141834, 144290, 144760, 151965, 154728, 158719, 162855, 173148, 186120, 189112, 193410, 202006, 202620, 212751, 216435, 217140, 236390, 243144, 257880, 259722, 260568, 283668, 288580, 303009, 303930, 317438, 325710, 346296, 354585, 386820, 404012, 405240, 425502, 432870, 434280, 472780, 476157, 505015, 519444, 567336, 577160, 606018, 607860, 634876, 649305, 651420, 709170, 773640, 793595, 808024, 851004, 865740, 909027, 945560, 952314, 1010030, 1038888, 1063755, 1111033, 1212036, 1215720, 1269752, 1298610, 1302840, 1418340, 1428471, 1515045, 1587190, 1702008, 1731480, 1818054, 1904628, 2020060, 2127510, 2222066, 2380785, 2424072, 2597220, 2836680, 2856942, 3030090, 3174380, 3333099, 3636108, 3809256, 4040120, 4255020, 4444132, 4545135, 4761570, 5194440, 5555165, 5713884, 6060180, 6348760, 6666198, 7142355, 7272216, 8510040, 8888264, 9090270, 9523140, 9999297, 11110330, 11427768, 12120360, 13332396, 14284710, 16665495, 18180540, 19046280, 19998594, 22220660, 26664792, 28569420, 33330990, 36361080, 39997188, 44441320, 49996485, 57138840, 66661980, 79994376, 99992970, 133323960, 199985940, 399971880]

約数ペア:

[(1, 399971880), (2, 199985940), (3, 133323960), (4, 99992970), (5, 79994376), (6, 66661980), (7, 57138840), (8, 49996485), (9, 44441320), (10, 39997188), (11, 36361080), (12, 33330990), (14, 28569420), (15, 26664792), (18, 22220660), (20, 19998594), (21, 19046280), (22, 18180540), (24, 16665495), (28, 14284710), (30, 13332396), (33, 12120360), (35, 11427768), (36, 11110330), (40, 9999297), (42, 9523140), (44, 9090270), (45, 8888264), (47, 8510040), (55, 7272216), (56, 7142355), (60, 6666198), (63, 6348760), (66, 6060180), (70, 5713884), (72, 5555165), (77, 5194440), (84, 4761570), (88, 4545135), (90, 4444132), (94, 4255020), (99, 4040120), (105, 3809256), (110, 3636108), (120, 3333099), (126, 3174380), (132, 3030090), (140, 2856942), (141, 2836680), (154, 2597220), (165, 2424072), (168, 2380785), (180, 2222066), (188, 2127510), (198, 2020060), (210, 1904628), (220, 1818054), (231, 1731480), (235, 1702008), (252, 1587190), (264, 1515045), (280, 1428471), (282, 1418340), (307, 1302840), (308, 1298610), (315, 1269752), (329, 1215720), (330, 1212036), (360, 1111033), (376, 1063755), (385, 1038888), (396, 1010030), (420, 952314), (423, 945560), (440, 909027), (462, 865740), (470, 851004), (495, 808024), (504, 793595), (517, 773640), (564, 709170), (614, 651420), (616, 649305), (630, 634876), (658, 607860), (660, 606018), (693, 577160), (705, 567336), (770, 519444), (792, 505015), (840, 476157), (846, 472780), (921, 434280), (924, 432870), (940, 425502), (987, 405240), (990, 404012), (1034, 386820), (1128, 354585), (1155, 346296), (1228, 325710), (1260, 317438), (1316, 303930), (1320, 303009), (1386, 288580), (1410, 283668), (1535, 260568), (1540, 259722), (1551, 257880), (1645, 243144), (1692, 236390), (1842, 217140), (1848, 216435), (1880, 212751), (1974, 202620), (1980, 202006), (2068, 193410), (2115, 189112), (2149, 186120), (2310, 173148), (2456, 162855), (2520, 158719), (2585, 154728), (2632, 151965), (2763, 144760), (2772, 144290), (2820, 141834), (2961, 135080), (3070, 130284), (3080, 129861), (3102, 128940), (3290, 121572), (3377, 118440), (3384, 118195), (3465, 115432), (3619, 110520), (3684, 108570), (3948, 101310), (3960, 101003), (4136, 96705), (4230, 94556), (4298, 93060), (4605, 86856), (4620, 86574), (4653, 85960), (4935, 81048), (5170, 77364), (5526, 72380), (5544, 72145), (5640, 70917), (5922, 67540), (6140, 65142), (6204, 64470), (6447, 62040), (6580, 60786), (6754, 59220), (6930, 57716), (7238, 55260), (7368, 54285), (7755, 51576), (7896, 50655), (8460, 47278), (8596, 46530), (9210, 43428), (9240, 43287), (9306, 42980), (9870, 40524), (10131, 39480), (10340, 38682), (10745, 37224), (10857, 36840), (11052, 36190), (11844, 33770), (12280, 32571), (12408, 32235), (12894, 31020), (13160, 30393), (13508, 29610), (13815, 28952), (13860, 28858), (14429, 27720), (14476, 27630), (14805, 27016), (15510, 25788), (16885, 23688), (16920, 23639), (17192, 23265), (18095, 22104), (18420, 21714), (18612, 21490), (19341, 20680), (19740, 20262)]