203904140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{2671}}^1$

素因数の和:3038

約数の個数: 48

約数和(自身を含む): 468647424

約数和(自身を除く): 264743284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 347, 694, 1388, 1735, 2671, 3470, 3817, 5342, 6940, 7634, 10684, 13355, 15268, 19085, 26710, 29381, 38170, 53420, 58762, 76340, 117524, 146905, 293810, 587620, 926837, 1853674, 3707348, 4634185, 9268370, 10195207, 18536740, 20390414, 40780828, 50976035, 101952070, 203904140]

約数ペア:

[(1, 203904140), (2, 101952070), (4, 50976035), (5, 40780828), (10, 20390414), (11, 18536740), (20, 10195207), (22, 9268370), (44, 4634185), (55, 3707348), (110, 1853674), (220, 926837), (347, 587620), (694, 293810), (1388, 146905), (1735, 117524), (2671, 76340), (3470, 58762), (3817, 53420), (5342, 38170), (6940, 29381), (7634, 26710), (10684, 19085), (13355, 15268)]