68979340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 151732224

約数和(自身を除く): 82752884

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 1567, 2201, 3134, 4402, 6268, 7835, 8804, 11005, 15670, 22010, 31340, 44020, 48577, 97154, 111257, 194308, 222514, 242885, 445028, 485770, 556285, 971540, 1112570, 2225140, 3448967, 6897934, 13795868, 17244835, 34489670, 68979340]

約数ペア:

[(1, 68979340), (2, 34489670), (4, 17244835), (5, 13795868), (10, 6897934), (20, 3448967), (31, 2225140), (62, 1112570), (71, 971540), (124, 556285), (142, 485770), (155, 445028), (284, 242885), (310, 222514), (355, 194308), (620, 111257), (710, 97154), (1420, 48577), (1567, 44020), (2201, 31340), (3134, 22010), (4402, 15670), (6268, 11005), (7835, 8804)]