8889294680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{6491}}^1$

素因数の和:6649

約数の個数: 128

約数和(自身を含む): 23520775680

約数和(自身を除く): 14631481000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 73, 134, 140, 146, 268, 280, 292, 335, 365, 469, 511, 536, 584, 670, 730, 938, 1022, 1340, 1460, 1876, 2044, 2345, 2555, 2680, 2920, 3752, 4088, 4690, 4891, 5110, 6491, 9380, 9782, 10220, 12982, 18760, 19564, 20440, 24455, 25964, 32455, 34237, 39128, 45437, 48910, 51928, 64910, 68474, 90874, 97820, 129820, 136948, 171185, 181748, 195640, 227185, 259640, 273896, 342370, 363496, 434897, 454370, 473843, 684740, 869794, 908740, 947686, 1369480, 1739588, 1817480, 1895372, 2174485, 2369215, 3044279, 3316901, 3479176, 3790744, 4348970, 4738430, 6088558, 6633802, 8697940, 9476860, 12177116, 13267604, 15221395, 16584505, 17395880, 18953720, 24354232, 26535208, 30442790, 31747481, 33169010, 60885580, 63494962, 66338020, 121771160, 126989924, 132676040, 158737405, 222232367, 253979848, 317474810, 444464734, 634949620, 888929468, 1111161835, 1269899240, 1777858936, 2222323670, 4444647340, 8889294680]

約数ペア:

[(1, 8889294680), (2, 4444647340), (4, 2222323670), (5, 1777858936), (7, 1269899240), (8, 1111161835), (10, 888929468), (14, 634949620), (20, 444464734), (28, 317474810), (35, 253979848), (40, 222232367), (56, 158737405), (67, 132676040), (70, 126989924), (73, 121771160), (134, 66338020), (140, 63494962), (146, 60885580), (268, 33169010), (280, 31747481), (292, 30442790), (335, 26535208), (365, 24354232), (469, 18953720), (511, 17395880), (536, 16584505), (584, 15221395), (670, 13267604), (730, 12177116), (938, 9476860), (1022, 8697940), (1340, 6633802), (1460, 6088558), (1876, 4738430), (2044, 4348970), (2345, 3790744), (2555, 3479176), (2680, 3316901), (2920, 3044279), (3752, 2369215), (4088, 2174485), (4690, 1895372), (4891, 1817480), (5110, 1739588), (6491, 1369480), (9380, 947686), (9782, 908740), (10220, 869794), (12982, 684740), (18760, 473843), (19564, 454370), (20440, 434897), (24455, 363496), (25964, 342370), (32455, 273896), (34237, 259640), (39128, 227185), (45437, 195640), (48910, 181748), (51928, 171185), (64910, 136948), (68474, 129820), (90874, 97820)]