2189090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 4250880

約数和(自身を除く): 2061790

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 163, 170, 326, 395, 790, 815, 1343, 1630, 2686, 2771, 5542, 6715, 12877, 13430, 13855, 25754, 27710, 64385, 128770, 218909, 437818, 1094545, 2189090]

約数ペア:

[(1, 2189090), (2, 1094545), (5, 437818), (10, 218909), (17, 128770), (34, 64385), (79, 27710), (85, 25754), (158, 13855), (163, 13430), (170, 12877), (326, 6715), (395, 5542), (790, 2771), (815, 2686), (1343, 1630)]