154220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{701}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 353808

約数和(自身を除く): 199588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 701, 1402, 2804, 3505, 7010, 7711, 14020, 15422, 30844, 38555, 77110, 154220]

約数ペア:

[(1, 154220), (2, 77110), (4, 38555), (5, 30844), (10, 15422), (11, 14020), (20, 7711), (22, 7010), (44, 3505), (55, 2804), (110, 1402), (220, 701)]