313635760

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{24971}}^1$

素因数の和:25141

約数の個数: 40

約数和(自身を含む): 733877136

約数和(自身を除く): 420241376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 24971, 49942, 99884, 124855, 199768, 249710, 399536, 499420, 998840, 1997680, 3920447, 7840894, 15681788, 19602235, 31363576, 39204470, 62727152, 78408940, 156817880, 313635760]

約数ペア:

[(1, 313635760), (2, 156817880), (4, 78408940), (5, 62727152), (8, 39204470), (10, 31363576), (16, 19602235), (20, 15681788), (40, 7840894), (80, 3920447), (157, 1997680), (314, 998840), (628, 499420), (785, 399536), (1256, 249710), (1570, 199768), (2512, 124855), (3140, 99884), (6280, 49942), (12560, 24971)]