2103707980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{45319}}^1$

素因数の和:45550

約数の個数: 48

約数和(自身を含む): 4842351360

約数和(自身を除く): 2738643380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 1055, 2110, 2321, 4220, 4642, 9284, 11605, 23210, 45319, 46420, 90638, 181276, 226595, 453190, 498509, 906380, 997018, 1994036, 2492545, 4985090, 9562309, 9970180, 19124618, 38249236, 47811545, 95623090, 105185399, 191246180, 210370798, 420741596, 525926995, 1051853990, 2103707980]

約数ペア:

[(1, 2103707980), (2, 1051853990), (4, 525926995), (5, 420741596), (10, 210370798), (11, 191246180), (20, 105185399), (22, 95623090), (44, 47811545), (55, 38249236), (110, 19124618), (211, 9970180), (220, 9562309), (422, 4985090), (844, 2492545), (1055, 1994036), (2110, 997018), (2321, 906380), (4220, 498509), (4642, 453190), (9284, 226595), (11605, 181276), (23210, 90638), (45319, 46420)]