835551380

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1\times {\mathrm{809}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 1776252240

約数和(自身を除く): 940700860

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 457, 565, 809, 914, 1130, 1618, 1828, 2260, 2285, 3236, 4045, 4570, 8090, 9140, 16180, 51641, 91417, 103282, 182834, 206564, 258205, 365668, 369713, 457085, 516410, 739426, 914170, 1032820, 1478852, 1828340, 1848565, 3697130, 7394260, 41777569, 83555138, 167110276, 208887845, 417775690, 835551380]

約数ペア:

[(1, 835551380), (2, 417775690), (4, 208887845), (5, 167110276), (10, 83555138), (20, 41777569), (113, 7394260), (226, 3697130), (452, 1848565), (457, 1828340), (565, 1478852), (809, 1032820), (914, 914170), (1130, 739426), (1618, 516410), (1828, 457085), (2260, 369713), (2285, 365668), (3236, 258205), (4045, 206564), (4570, 182834), (8090, 103282), (9140, 91417), (16180, 51641)]