239801920

素因数分解:

$2^6\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1669}}^1$

素因数の和:2135

約数の個数: 56

約数和(自身を含む): 572643000

約数和(自身を除く): 332841080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 449, 898, 1669, 1796, 2245, 3338, 3592, 4490, 6676, 7184, 8345, 8980, 13352, 14368, 16690, 17960, 26704, 28736, 33380, 35920, 53408, 66760, 71840, 106816, 133520, 143680, 267040, 534080, 749381, 1498762, 2997524, 3746905, 5995048, 7493810, 11990096, 14987620, 23980192, 29975240, 47960384, 59950480, 119900960, 239801920]

約数ペア:

[(1, 239801920), (2, 119900960), (4, 59950480), (5, 47960384), (8, 29975240), (10, 23980192), (16, 14987620), (20, 11990096), (32, 7493810), (40, 5995048), (64, 3746905), (80, 2997524), (160, 1498762), (320, 749381), (449, 534080), (898, 267040), (1669, 143680), (1796, 133520), (2245, 106816), (3338, 71840), (3592, 66760), (4490, 53408), (6676, 35920), (7184, 33380), (8345, 28736), (8980, 26704), (13352, 17960), (14368, 16690)]