173899480

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{27691}}^1$

素因数の和:27859

約数の個数: 32

約数和(自身を含む): 393780240

約数和(自身を除く): 219880760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 27691, 55382, 110764, 138455, 221528, 276910, 553820, 1107640, 4347487, 8694974, 17389948, 21737435, 34779896, 43474870, 86949740, 173899480]

約数ペア:

[(1, 173899480), (2, 86949740), (4, 43474870), (5, 34779896), (8, 21737435), (10, 17389948), (20, 8694974), (40, 4347487), (157, 1107640), (314, 553820), (628, 276910), (785, 221528), (1256, 138455), (1570, 110764), (3140, 55382), (6280, 27691)]