157608440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{358201}}^1$

素因数の和:358223

約数の個数: 32

約数和(自身を含む): 386858160

約数和(自身を除く): 229249720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 358201, 716402, 1432804, 1791005, 2865608, 3582010, 3940211, 7164020, 7880422, 14328040, 15760844, 19701055, 31521688, 39402110, 78804220, 157608440]

約数ペア:

[(1, 157608440), (2, 78804220), (4, 39402110), (5, 31521688), (8, 19701055), (10, 15760844), (11, 14328040), (20, 7880422), (22, 7164020), (40, 3940211), (44, 3582010), (55, 2865608), (88, 1791005), (110, 1432804), (220, 716402), (440, 358201)]