400325520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 320

約数和(自身を含む): 1527330816

約数和(自身を除く): 1127005296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 107, 112, 119, 120, 131, 136, 140, 168, 170, 204, 210, 214, 238, 240, 255, 262, 272, 280, 321, 336, 340, 357, 393, 408, 420, 428, 476, 510, 524, 535, 560, 595, 642, 655, 680, 714, 749, 786, 816, 840, 856, 917, 952, 1020, 1048, 1070, 1190, 1284, 1310, 1360, 1428, 1498, 1572, 1605, 1680, 1712, 1785, 1819, 1834, 1904, 1965, 2040, 2096, 2140, 2227, 2247, 2380, 2568, 2620, 2751, 2856, 2996, 3144, 3210, 3570, 3638, 3668, 3745, 3930, 4080, 4280, 4454, 4494, 4585, 4760, 5136, 5240, 5457, 5502, 5712, 5992, 6288, 6420, 6681, 7140, 7276, 7336, 7490, 7860, 8560, 8908, 8988, 9095, 9170, 9520, 10480, 10914, 11004, 11135, 11235, 11984, 12733, 12840, 13362, 13755, 14017, 14280, 14552, 14672, 14980, 15589, 15720, 17816, 17976, 18190, 18340, 21828, 22008, 22270, 22470, 25466, 25680, 26724, 27285, 27510, 28034, 28560, 29104, 29960, 31178, 31440, 33405, 35632, 35952, 36380, 36680, 38199, 42051, 43656, 44016, 44540, 44940, 46767, 50932, 53448, 54570, 55020, 56068, 59920, 62356, 63665, 66810, 70085, 72760, 73360, 76398, 77945, 84102, 87312, 89080, 89880, 93534, 98119, 101864, 106896, 109140, 110040, 112136, 124712, 127330, 133620, 140170, 145520, 152796, 155890, 168204, 178160, 179760, 187068, 190995, 196238, 203728, 210255, 218280, 220080, 224272, 233835, 238289, 249424, 254660, 267240, 280340, 294357, 305592, 311780, 336408, 374136, 381990, 392476, 420510, 436560, 467670, 476578, 490595, 509320, 534480, 560680, 588714, 611184, 623560, 672816, 714867, 748272, 763980, 784952, 841020, 935340, 953156, 981190, 1018640, 1121360, 1177428, 1191445, 1247120, 1429734, 1471785, 1527960, 1569904, 1668023, 1682040, 1870680, 1906312, 1962380, 2354856, 2382890, 2859468, 2943570, 3055920, 3336046, 3364080, 3574335, 3741360, 3812624, 3924760, 4709712, 4765780, 5004069, 5718936, 5887140, 6672092, 7148670, 7849520, 8340115, 9531560, 10008138, 11437872, 11774280, 13344184, 14297340, 16680230, 19063120, 20016276, 23548560, 25020345, 26688368, 28594680, 33360460, 40032552, 50040690, 57189360, 66720920, 80065104, 100081380, 133441840, 200162760, 400325520]

約数ペア:

[(1, 400325520), (2, 200162760), (3, 133441840), (4, 100081380), (5, 80065104), (6, 66720920), (7, 57189360), (8, 50040690), (10, 40032552), (12, 33360460), (14, 28594680), (15, 26688368), (16, 25020345), (17, 23548560), (20, 20016276), (21, 19063120), (24, 16680230), (28, 14297340), (30, 13344184), (34, 11774280), (35, 11437872), (40, 10008138), (42, 9531560), (48, 8340115), (51, 7849520), (56, 7148670), (60, 6672092), (68, 5887140), (70, 5718936), (80, 5004069), (84, 4765780), (85, 4709712), (102, 3924760), (105, 3812624), (107, 3741360), (112, 3574335), (119, 3364080), (120, 3336046), (131, 3055920), (136, 2943570), (140, 2859468), (168, 2382890), (170, 2354856), (204, 1962380), (210, 1906312), (214, 1870680), (238, 1682040), (240, 1668023), (255, 1569904), (262, 1527960), (272, 1471785), (280, 1429734), (321, 1247120), (336, 1191445), (340, 1177428), (357, 1121360), (393, 1018640), (408, 981190), (420, 953156), (428, 935340), (476, 841020), (510, 784952), (524, 763980), (535, 748272), (560, 714867), (595, 672816), (642, 623560), (655, 611184), (680, 588714), (714, 560680), (749, 534480), (786, 509320), (816, 490595), (840, 476578), (856, 467670), (917, 436560), (952, 420510), (1020, 392476), (1048, 381990), (1070, 374136), (1190, 336408), (1284, 311780), (1310, 305592), (1360, 294357), (1428, 280340), (1498, 267240), (1572, 254660), (1605, 249424), (1680, 238289), (1712, 233835), (1785, 224272), (1819, 220080), (1834, 218280), (1904, 210255), (1965, 203728), (2040, 196238), (2096, 190995), (2140, 187068), (2227, 179760), (2247, 178160), (2380, 168204), (2568, 155890), (2620, 152796), (2751, 145520), (2856, 140170), (2996, 133620), (3144, 127330), (3210, 124712), (3570, 112136), (3638, 110040), (3668, 109140), (3745, 106896), (3930, 101864), (4080, 98119), (4280, 93534), (4454, 89880), (4494, 89080), (4585, 87312), (4760, 84102), (5136, 77945), (5240, 76398), (5457, 73360), (5502, 72760), (5712, 70085), (5992, 66810), (6288, 63665), (6420, 62356), (6681, 59920), (7140, 56068), (7276, 55020), (7336, 54570), (7490, 53448), (7860, 50932), (8560, 46767), (8908, 44940), (8988, 44540), (9095, 44016), (9170, 43656), (9520, 42051), (10480, 38199), (10914, 36680), (11004, 36380), (11135, 35952), (11235, 35632), (11984, 33405), (12733, 31440), (12840, 31178), (13362, 29960), (13755, 29104), (14017, 28560), (14280, 28034), (14552, 27510), (14672, 27285), (14980, 26724), (15589, 25680), (15720, 25466), (17816, 22470), (17976, 22270), (18190, 22008), (18340, 21828)]