804798580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1\times {\mathrm{2099}}^1$

素因数の和:3136

約数の個数: 48

約数和(自身を含む): 1781640000

約数和(自身を除く): 976841420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1009, 2018, 2099, 4036, 4198, 5045, 8396, 10090, 10495, 19171, 20180, 20990, 38342, 39881, 41980, 76684, 79762, 95855, 159524, 191710, 199405, 383420, 398810, 797620, 2117891, 4235782, 8471564, 10589455, 21178910, 40239929, 42357820, 80479858, 160959716, 201199645, 402399290, 804798580]

約数ペア:

[(1, 804798580), (2, 402399290), (4, 201199645), (5, 160959716), (10, 80479858), (19, 42357820), (20, 40239929), (38, 21178910), (76, 10589455), (95, 8471564), (190, 4235782), (380, 2117891), (1009, 797620), (2018, 398810), (2099, 383420), (4036, 199405), (4198, 191710), (5045, 159524), (8396, 95855), (10090, 79762), (10495, 76684), (19171, 41980), (20180, 39881), (20990, 38342)]