211807160

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{11953}}^1$

素因数の和:12407

約数の個数: 32

約数和(自身を含む): 477681840

約数和(自身を除く): 265874680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 8860, 11953, 17720, 23906, 47812, 59765, 95624, 119530, 239060, 478120, 5295179, 10590358, 21180716, 26475895, 42361432, 52951790, 105903580, 211807160]

約数ペア:

[(1, 211807160), (2, 105903580), (4, 52951790), (5, 42361432), (8, 26475895), (10, 21180716), (20, 10590358), (40, 5295179), (443, 478120), (886, 239060), (1772, 119530), (2215, 95624), (3544, 59765), (4430, 47812), (8860, 23906), (11953, 17720)]