173215880

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{40471}}^1$

素因数の和:40589

約数の個数: 32

約数和(自身を含む): 393387840

約数和(自身を除く): 220171960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 40471, 80942, 161884, 202355, 323768, 404710, 809420, 1618840, 4330397, 8660794, 17321588, 21651985, 34643176, 43303970, 86607940, 173215880]

約数ペア:

[(1, 173215880), (2, 86607940), (4, 43303970), (5, 34643176), (8, 21651985), (10, 17321588), (20, 8660794), (40, 4330397), (107, 1618840), (214, 809420), (428, 404710), (535, 323768), (856, 202355), (1070, 161884), (2140, 80942), (4280, 40471)]