290400340

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{19181}}^1$

素因数の和:19947

約数の個数: 24

約数和(自身を含む): 610678152

約数和(自身を除く): 320277812

約数列:

[1, 2, 4, 5, 10, 20, 757, 1514, 3028, 3785, 7570, 15140, 19181, 38362, 76724, 95905, 191810, 383620, 14520017, 29040034, 58080068, 72600085, 145200170, 290400340]

約数ペア:

[(1, 290400340), (2, 145200170), (4, 72600085), (5, 58080068), (10, 29040034), (20, 14520017), (757, 383620), (1514, 191810), (3028, 95905), (3785, 76724), (7570, 38362), (15140, 19181)]