70028980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1223}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 168618240

約数和(自身を除く): 98589260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1223, 1636, 2045, 2446, 2863, 4090, 4892, 5726, 6115, 8180, 8561, 11452, 12230, 14315, 17122, 24460, 28630, 34244, 42805, 57260, 85610, 171220, 500207, 1000414, 2000828, 2501035, 3501449, 5002070, 7002898, 10004140, 14005796, 17507245, 35014490, 70028980]

約数ペア:

[(1, 70028980), (2, 35014490), (4, 17507245), (5, 14005796), (7, 10004140), (10, 7002898), (14, 5002070), (20, 3501449), (28, 2501035), (35, 2000828), (70, 1000414), (140, 500207), (409, 171220), (818, 85610), (1223, 57260), (1636, 42805), (2045, 34244), (2446, 28630), (2863, 24460), (4090, 17122), (4892, 14315), (5726, 12230), (6115, 11452), (8180, 8561)]