81298250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 184384512

約数和(自身を除く): 103086262

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 37, 47, 50, 55, 74, 85, 94, 110, 125, 170, 185, 187, 235, 250, 275, 370, 374, 407, 425, 470, 517, 550, 629, 799, 814, 850, 925, 935, 1034, 1175, 1258, 1375, 1598, 1739, 1850, 1870, 2035, 2125, 2350, 2585, 2750, 3145, 3478, 3995, 4070, 4250, 4625, 4675, 5170, 5875, 6290, 6919, 7990, 8695, 8789, 9250, 9350, 10175, 11750, 12925, 13838, 15725, 17390, 17578, 19129, 19975, 20350, 23375, 25850, 29563, 31450, 34595, 38258, 39950, 43475, 43945, 46750, 50875, 59126, 64625, 69190, 78625, 86950, 87890, 95645, 99875, 101750, 129250, 147815, 157250, 172975, 191290, 199750, 217375, 219725, 295630, 325193, 345950, 434750, 439450, 478225, 650386, 739075, 864875, 956450, 1098625, 1478150, 1625965, 1729750, 2197250, 2391125, 3251930, 3695375, 4782250, 7390750, 8129825, 16259650, 40649125, 81298250]

約数ペア:

[(1, 81298250), (2, 40649125), (5, 16259650), (10, 8129825), (11, 7390750), (17, 4782250), (22, 3695375), (25, 3251930), (34, 2391125), (37, 2197250), (47, 1729750), (50, 1625965), (55, 1478150), (74, 1098625), (85, 956450), (94, 864875), (110, 739075), (125, 650386), (170, 478225), (185, 439450), (187, 434750), (235, 345950), (250, 325193), (275, 295630), (370, 219725), (374, 217375), (407, 199750), (425, 191290), (470, 172975), (517, 157250), (550, 147815), (629, 129250), (799, 101750), (814, 99875), (850, 95645), (925, 87890), (935, 86950), (1034, 78625), (1175, 69190), (1258, 64625), (1375, 59126), (1598, 50875), (1739, 46750), (1850, 43945), (1870, 43475), (2035, 39950), (2125, 38258), (2350, 34595), (2585, 31450), (2750, 29563), (3145, 25850), (3478, 23375), (3995, 20350), (4070, 19975), (4250, 19129), (4625, 17578), (4675, 17390), (5170, 15725), (5875, 13838), (6290, 12925), (6919, 11750), (7990, 10175), (8695, 9350), (8789, 9250)]