311021840

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{12421}}^1$

素因数の和:12747

約数の個数: 40

約数和(自身を含む): 725494488

約数和(自身を除く): 414472648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 3130, 5008, 6260, 12421, 12520, 24842, 25040, 49684, 62105, 99368, 124210, 198736, 248420, 496840, 993680, 3887773, 7775546, 15551092, 19438865, 31102184, 38877730, 62204368, 77755460, 155510920, 311021840]

約数ペア:

[(1, 311021840), (2, 155510920), (4, 77755460), (5, 62204368), (8, 38877730), (10, 31102184), (16, 19438865), (20, 15551092), (40, 7775546), (80, 3887773), (313, 993680), (626, 496840), (1252, 248420), (1565, 198736), (2504, 124210), (3130, 99368), (5008, 62105), (6260, 49684), (12421, 25040), (12520, 24842)]