389624920

素因数分解:

$2^3\times 5^1\times {\mathrm{2711}}^1\times {\mathrm{3593}}^1$

素因数の和:6315

約数の個数: 32

約数和(自身を含む): 877223520

約数和(自身を除く): 487598600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2711, 3593, 5422, 7186, 10844, 13555, 14372, 17965, 21688, 27110, 28744, 35930, 54220, 71860, 108440, 143720, 9740623, 19481246, 38962492, 48703115, 77924984, 97406230, 194812460, 389624920]

約数ペア:

[(1, 389624920), (2, 194812460), (4, 97406230), (5, 77924984), (8, 48703115), (10, 38962492), (20, 19481246), (40, 9740623), (2711, 143720), (3593, 108440), (5422, 71860), (7186, 54220), (10844, 35930), (13555, 28744), (14372, 27110), (17965, 21688)]