129432820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{2237}}^1$

素因数の和:2520

約数の個数: 48

約数和(自身を含む): 297779328

約数和(自身を除く): 168346508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 1052, 1315, 2237, 2630, 2893, 4474, 5260, 5786, 8948, 11185, 11572, 14465, 22370, 24607, 28930, 44740, 49214, 57860, 98428, 123035, 246070, 492140, 588331, 1176662, 2353324, 2941655, 5883310, 6471641, 11766620, 12943282, 25886564, 32358205, 64716410, 129432820]

約数ペア:

[(1, 129432820), (2, 64716410), (4, 32358205), (5, 25886564), (10, 12943282), (11, 11766620), (20, 6471641), (22, 5883310), (44, 2941655), (55, 2353324), (110, 1176662), (220, 588331), (263, 492140), (526, 246070), (1052, 123035), (1315, 98428), (2237, 57860), (2630, 49214), (2893, 44740), (4474, 28930), (5260, 24607), (5786, 22370), (8948, 14465), (11185, 11572)]