188996890

素因数分解:

$2^1\times 5^1\times {\mathrm{2351}}^1\times {\mathrm{8039}}^1$

素因数の和:10397

約数の個数: 16

約数和(自身を含む): 340381440

約数和(自身を除く): 151384550

約数列:

[1, 2, 5, 10, 2351, 4702, 8039, 11755, 16078, 23510, 40195, 80390, 18899689, 37799378, 94498445, 188996890]

約数ペア:

[(1, 188996890), (2, 94498445), (5, 37799378), (10, 18899689), (2351, 80390), (4702, 40195), (8039, 23510), (11755, 16078)]