173840620

素因数分解:

$2^2\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{3989}}^1$

素因数の和:6177

約数の個数: 24

約数和(自身を含む): 365324400

約数和(自身を除く): 191483780

約数列:

[1, 2, 4, 5, 10, 20, 2179, 3989, 4358, 7978, 8716, 10895, 15956, 19945, 21790, 39890, 43580, 79780, 8692031, 17384062, 34768124, 43460155, 86920310, 173840620]

約数ペア:

[(1, 173840620), (2, 86920310), (4, 43460155), (5, 34768124), (10, 17384062), (20, 8692031), (2179, 79780), (3989, 43580), (4358, 39890), (7978, 21790), (8716, 19945), (10895, 15956)]