172195540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{782707}}^1$

素因数の和:782727

約数の個数: 24

約数和(自身を含む): 394484832

約数和(自身を除く): 222289292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 782707, 1565414, 3130828, 3913535, 7827070, 8609777, 15654140, 17219554, 34439108, 43048885, 86097770, 172195540]

約数ペア:

[(1, 172195540), (2, 86097770), (4, 43048885), (5, 34439108), (10, 17219554), (11, 15654140), (20, 8609777), (22, 7827070), (44, 3913535), (55, 3130828), (110, 1565414), (220, 782707)]