86890870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1583}}^1$

素因数の和:2100

約数の個数: 32

約数和(自身を含む): 171072000

約数和(自身を除く): 84181130

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 499, 998, 1583, 2495, 3166, 4990, 5489, 7915, 10978, 15830, 17413, 27445, 34826, 54890, 87065, 174130, 789917, 1579834, 3949585, 7899170, 8689087, 17378174, 43445435, 86890870]

約数ペア:

[(1, 86890870), (2, 43445435), (5, 17378174), (10, 8689087), (11, 7899170), (22, 3949585), (55, 1579834), (110, 789917), (499, 174130), (998, 87065), (1583, 54890), (2495, 34826), (3166, 27445), (4990, 17413), (5489, 15830), (7915, 10978)]