315020920

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{10657}}^1$

素因数の和:11407

約数の個数: 32

約数和(自身を含む): 709822800

約数和(自身を除く): 394801880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2956, 3695, 5912, 7390, 10657, 14780, 21314, 29560, 42628, 53285, 85256, 106570, 213140, 426280, 7875523, 15751046, 31502092, 39377615, 63004184, 78755230, 157510460, 315020920]

約数ペア:

[(1, 315020920), (2, 157510460), (4, 78755230), (5, 63004184), (8, 39377615), (10, 31502092), (20, 15751046), (40, 7875523), (739, 426280), (1478, 213140), (2956, 106570), (3695, 85256), (5912, 53285), (7390, 42628), (10657, 29560), (14780, 21314)]