390695260

素因数分解:

$2^2\times 5^1\times {\mathrm{4283}}^1\times {\mathrm{4561}}^1$

素因数の和:8853

約数の個数: 24

約数和(自身を含む): 820831536

約数和(自身を除く): 430136276

約数列:

[1, 2, 4, 5, 10, 20, 4283, 4561, 8566, 9122, 17132, 18244, 21415, 22805, 42830, 45610, 85660, 91220, 19534763, 39069526, 78139052, 97673815, 195347630, 390695260]

約数ペア:

[(1, 390695260), (2, 195347630), (4, 97673815), (5, 78139052), (10, 39069526), (20, 19534763), (4283, 91220), (4561, 85660), (8566, 45610), (9122, 42830), (17132, 22805), (18244, 21415)]