531157990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{47809}}^1$

素因数の和:47928

約数の個数: 32

約数和(自身を含む): 1053349920

約数和(自身を除く): 522191930

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 11110, 47809, 95618, 239045, 478090, 525899, 1051798, 2629495, 4828709, 5258990, 9657418, 24143545, 48287090, 53115799, 106231598, 265578995, 531157990]

約数ペア:

[(1, 531157990), (2, 265578995), (5, 106231598), (10, 53115799), (11, 48287090), (22, 24143545), (55, 9657418), (101, 5258990), (110, 4828709), (202, 2629495), (505, 1051798), (1010, 525899), (1111, 478090), (2222, 239045), (5555, 95618), (11110, 47809)]