858473860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1\times {\mathrm{1663}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 1841688576

約数和(自身を除く): 983214716

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 487, 530, 974, 1060, 1663, 1948, 2435, 3326, 4870, 6652, 8315, 9740, 16630, 25811, 33260, 51622, 88139, 103244, 129055, 176278, 258110, 352556, 440695, 516220, 809881, 881390, 1619762, 1762780, 3239524, 4049405, 8098810, 16197620, 42923693, 85847386, 171694772, 214618465, 429236930, 858473860]

約数ペア:

[(1, 858473860), (2, 429236930), (4, 214618465), (5, 171694772), (10, 85847386), (20, 42923693), (53, 16197620), (106, 8098810), (212, 4049405), (265, 3239524), (487, 1762780), (530, 1619762), (974, 881390), (1060, 809881), (1663, 516220), (1948, 440695), (2435, 352556), (3326, 258110), (4870, 176278), (6652, 129055), (8315, 103244), (9740, 88139), (16630, 51622), (25811, 33260)]