290190890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{15797}}^1$

素因数の和:15982

約数の個数: 32

約数和(自身を含む): 573277824

約数和(自身を除く): 283086934

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 167, 334, 835, 1670, 1837, 3674, 9185, 15797, 18370, 31594, 78985, 157970, 173767, 347534, 868835, 1737670, 2638099, 5276198, 13190495, 26380990, 29019089, 58038178, 145095445, 290190890]

約数ペア:

[(1, 290190890), (2, 145095445), (5, 58038178), (10, 29019089), (11, 26380990), (22, 13190495), (55, 5276198), (110, 2638099), (167, 1737670), (334, 868835), (835, 347534), (1670, 173767), (1837, 157970), (3674, 78985), (9185, 31594), (15797, 18370)]