54912110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 111974400

約数和(自身を除く): 57062290

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 79, 89, 110, 142, 158, 178, 355, 395, 445, 710, 781, 790, 869, 890, 979, 1562, 1738, 1958, 3905, 4345, 4895, 5609, 6319, 7031, 7810, 8690, 9790, 11218, 12638, 14062, 28045, 31595, 35155, 56090, 61699, 63190, 69509, 70310, 77341, 123398, 139018, 154682, 308495, 347545, 386705, 499201, 616990, 695090, 773410, 998402, 2496005, 4992010, 5491211, 10982422, 27456055, 54912110]

約数ペア:

[(1, 54912110), (2, 27456055), (5, 10982422), (10, 5491211), (11, 4992010), (22, 2496005), (55, 998402), (71, 773410), (79, 695090), (89, 616990), (110, 499201), (142, 386705), (158, 347545), (178, 308495), (355, 154682), (395, 139018), (445, 123398), (710, 77341), (781, 70310), (790, 69509), (869, 63190), (890, 61699), (979, 56090), (1562, 35155), (1738, 31595), (1958, 28045), (3905, 14062), (4345, 12638), (4895, 11218), (5609, 9790), (6319, 8690), (7031, 7810)]