398530440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1307}}^1$

素因数の和:1353

約数の個数: 288

約数和(自身を含む): 1628303040

約数和(自身を除く): 1229772600

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, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 121, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 242, 252, 264, 280, 308, 315, 330, 360, 363, 385, 396, 420, 440, 462, 484, 495, 504, 605, 616, 630, 660, 693, 726, 770, 792, 840, 847, 924, 968, 990, 1089, 1155, 1210, 1260, 1307, 1320, 1386, 1452, 1540, 1694, 1815, 1848, 1980, 2178, 2310, 2420, 2520, 2541, 2614, 2772, 2904, 3080, 3388, 3465, 3630, 3921, 3960, 4235, 4356, 4620, 4840, 5082, 5228, 5445, 5544, 6535, 6776, 6930, 7260, 7623, 7842, 8470, 8712, 9149, 9240, 10164, 10456, 10890, 11763, 12705, 13070, 13860, 14377, 14520, 15246, 15684, 16940, 18298, 19605, 20328, 21780, 23526, 25410, 26140, 27447, 27720, 28754, 30492, 31368, 33880, 36596, 38115, 39210, 43131, 43560, 45745, 47052, 50820, 52280, 54894, 57508, 58815, 60984, 71885, 73192, 76230, 78420, 82341, 86262, 91490, 94104, 100639, 101640, 109788, 115016, 117630, 129393, 137235, 143770, 152460, 156840, 158147, 164682, 172524, 182980, 201278, 215655, 219576, 235260, 258786, 274470, 287540, 301917, 304920, 316294, 329364, 345048, 365960, 402556, 411705, 431310, 470520, 474441, 503195, 517572, 548940, 575080, 603834, 632588, 646965, 658728, 790735, 805112, 823410, 862620, 905751, 948882, 1006390, 1035144, 1097880, 1107029, 1207668, 1265176, 1293930, 1423323, 1509585, 1581470, 1646820, 1725240, 1811502, 1897764, 2012780, 2214058, 2372205, 2415336, 2587860, 2846646, 3019170, 3162940, 3293640, 3321087, 3623004, 3795528, 4025560, 4428116, 4528755, 4744410, 5175720, 5535145, 5693292, 6038340, 6325880, 6642174, 7116615, 7246008, 8856232, 9057510, 9488820, 9963261, 11070290, 11386584, 12076680, 13284348, 14233230, 16605435, 18115020, 18977640, 19926522, 22140580, 26568696, 28466460, 33210870, 36230040, 39853044, 44281160, 49816305, 56932920, 66421740, 79706088, 99632610, 132843480, 199265220, 398530440]

約数ペア:

[(1, 398530440), (2, 199265220), (3, 132843480), (4, 99632610), (5, 79706088), (6, 66421740), (7, 56932920), (8, 49816305), (9, 44281160), (10, 39853044), (11, 36230040), (12, 33210870), (14, 28466460), (15, 26568696), (18, 22140580), (20, 19926522), (21, 18977640), (22, 18115020), (24, 16605435), (28, 14233230), (30, 13284348), (33, 12076680), (35, 11386584), (36, 11070290), (40, 9963261), (42, 9488820), (44, 9057510), (45, 8856232), (55, 7246008), (56, 7116615), (60, 6642174), (63, 6325880), (66, 6038340), (70, 5693292), (72, 5535145), (77, 5175720), (84, 4744410), (88, 4528755), (90, 4428116), (99, 4025560), (105, 3795528), (110, 3623004), (120, 3321087), (121, 3293640), (126, 3162940), (132, 3019170), (140, 2846646), (154, 2587860), (165, 2415336), (168, 2372205), (180, 2214058), (198, 2012780), (210, 1897764), (220, 1811502), (231, 1725240), (242, 1646820), (252, 1581470), (264, 1509585), (280, 1423323), (308, 1293930), (315, 1265176), (330, 1207668), (360, 1107029), (363, 1097880), (385, 1035144), (396, 1006390), (420, 948882), (440, 905751), (462, 862620), (484, 823410), (495, 805112), (504, 790735), (605, 658728), (616, 646965), (630, 632588), (660, 603834), (693, 575080), (726, 548940), (770, 517572), (792, 503195), (840, 474441), (847, 470520), (924, 431310), (968, 411705), (990, 402556), (1089, 365960), (1155, 345048), (1210, 329364), (1260, 316294), (1307, 304920), (1320, 301917), (1386, 287540), (1452, 274470), (1540, 258786), (1694, 235260), (1815, 219576), (1848, 215655), (1980, 201278), (2178, 182980), (2310, 172524), (2420, 164682), (2520, 158147), (2541, 156840), (2614, 152460), (2772, 143770), (2904, 137235), (3080, 129393), (3388, 117630), (3465, 115016), (3630, 109788), (3921, 101640), (3960, 100639), (4235, 94104), (4356, 91490), (4620, 86262), (4840, 82341), (5082, 78420), (5228, 76230), (5445, 73192), (5544, 71885), (6535, 60984), (6776, 58815), (6930, 57508), (7260, 54894), (7623, 52280), (7842, 50820), (8470, 47052), (8712, 45745), (9149, 43560), (9240, 43131), (10164, 39210), (10456, 38115), (10890, 36596), (11763, 33880), (12705, 31368), (13070, 30492), (13860, 28754), (14377, 27720), (14520, 27447), (15246, 26140), (15684, 25410), (16940, 23526), (18298, 21780), (19605, 20328)]