149391560

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{9601}}^1$

素因数の和:10001

約数の個数: 32

約数和(自身を含む): 337030200

約数和(自身を除く): 187638640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 9601, 15560, 19202, 38404, 48005, 76808, 96010, 192020, 384040, 3734789, 7469578, 14939156, 18673945, 29878312, 37347890, 74695780, 149391560]

約数ペア:

[(1, 149391560), (2, 74695780), (4, 37347890), (5, 29878312), (8, 18673945), (10, 14939156), (20, 7469578), (40, 3734789), (389, 384040), (778, 192020), (1556, 96010), (1945, 76808), (3112, 48005), (3890, 38404), (7780, 19202), (9601, 15560)]