2111090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 4112640

約数和(自身を除く): 2001550

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 271, 410, 542, 779, 1355, 1558, 2710, 3895, 5149, 7790, 10298, 11111, 22222, 25745, 51490, 55555, 111110, 211109, 422218, 1055545, 2111090]

約数ペア:

[(1, 2111090), (2, 1055545), (5, 422218), (10, 211109), (19, 111110), (38, 55555), (41, 51490), (82, 25745), (95, 22222), (190, 11111), (205, 10298), (271, 7790), (410, 5149), (542, 3895), (779, 2710), (1355, 1558)]