419063920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16421}}^1$

素因数の和:16474

約数の個数: 80

約数和(自身を含む): 1099617120

約数和(自身を除く): 680553200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 5104, 6380, 12760, 16421, 25520, 32842, 65684, 82105, 131368, 164210, 180631, 262736, 328420, 361262, 476209, 656840, 722524, 903155, 952418, 1313680, 1445048, 1806310, 1904836, 2381045, 2890096, 3612620, 3809672, 4762090, 5238299, 7225240, 7619344, 9524180, 10476598, 14450480, 19048360, 20953196, 26191495, 38096720, 41906392, 52382990, 83812784, 104765980, 209531960, 419063920]

約数ペア:

[(1, 419063920), (2, 209531960), (4, 104765980), (5, 83812784), (8, 52382990), (10, 41906392), (11, 38096720), (16, 26191495), (20, 20953196), (22, 19048360), (29, 14450480), (40, 10476598), (44, 9524180), (55, 7619344), (58, 7225240), (80, 5238299), (88, 4762090), (110, 3809672), (116, 3612620), (145, 2890096), (176, 2381045), (220, 1904836), (232, 1806310), (290, 1445048), (319, 1313680), (440, 952418), (464, 903155), (580, 722524), (638, 656840), (880, 476209), (1160, 361262), (1276, 328420), (1595, 262736), (2320, 180631), (2552, 164210), (3190, 131368), (5104, 82105), (6380, 65684), (12760, 32842), (16421, 25520)]