201391600

素因数分解:

$2^4\times 5^2\times {\mathrm{409}}^1\times {\mathrm{1231}}^1$

素因数の和:1658

約数の個数: 60

約数和(自身を含む): 485420320

約数和(自身を除く): 284028720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 409, 818, 1231, 1636, 2045, 2462, 3272, 4090, 4924, 6155, 6544, 8180, 9848, 10225, 12310, 16360, 19696, 20450, 24620, 30775, 32720, 40900, 49240, 61550, 81800, 98480, 123100, 163600, 246200, 492400, 503479, 1006958, 2013916, 2517395, 4027832, 5034790, 8055664, 10069580, 12586975, 20139160, 25173950, 40278320, 50347900, 100695800, 201391600]

約数ペア:

[(1, 201391600), (2, 100695800), (4, 50347900), (5, 40278320), (8, 25173950), (10, 20139160), (16, 12586975), (20, 10069580), (25, 8055664), (40, 5034790), (50, 4027832), (80, 2517395), (100, 2013916), (200, 1006958), (400, 503479), (409, 492400), (818, 246200), (1231, 163600), (1636, 123100), (2045, 98480), (2462, 81800), (3272, 61550), (4090, 49240), (4924, 40900), (6155, 32720), (6544, 30775), (8180, 24620), (9848, 20450), (10225, 19696), (12310, 16360)]