201784240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{881}}^1$

素因数の和:1310

約数の個数: 80

約数和(自身を含む): 538090560

約数和(自身を除く): 336306320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 409, 560, 818, 881, 1636, 1762, 2045, 2863, 3272, 3524, 4090, 4405, 5726, 6167, 6544, 7048, 8180, 8810, 11452, 12334, 14096, 14315, 16360, 17620, 22904, 24668, 28630, 30835, 32720, 35240, 45808, 49336, 57260, 61670, 70480, 98672, 114520, 123340, 229040, 246680, 360329, 493360, 720658, 1441316, 1801645, 2522303, 2882632, 3603290, 5044606, 5765264, 7206580, 10089212, 12611515, 14413160, 20178424, 25223030, 28826320, 40356848, 50446060, 100892120, 201784240]

約数ペア:

[(1, 201784240), (2, 100892120), (4, 50446060), (5, 40356848), (7, 28826320), (8, 25223030), (10, 20178424), (14, 14413160), (16, 12611515), (20, 10089212), (28, 7206580), (35, 5765264), (40, 5044606), (56, 3603290), (70, 2882632), (80, 2522303), (112, 1801645), (140, 1441316), (280, 720658), (409, 493360), (560, 360329), (818, 246680), (881, 229040), (1636, 123340), (1762, 114520), (2045, 98672), (2863, 70480), (3272, 61670), (3524, 57260), (4090, 49336), (4405, 45808), (5726, 35240), (6167, 32720), (6544, 30835), (7048, 28630), (8180, 24668), (8810, 22904), (11452, 17620), (12334, 16360), (14096, 14315)]