215572820

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1\times {\mathrm{461}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 460107648

約数和(自身を除く): 244534828

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 227, 412, 454, 461, 515, 908, 922, 1030, 1135, 1844, 2060, 2270, 2305, 4540, 4610, 9220, 23381, 46762, 47483, 93524, 94966, 104647, 116905, 189932, 209294, 233810, 237415, 418588, 467620, 474830, 523235, 949660, 1046470, 2092940, 10778641, 21557282, 43114564, 53893205, 107786410, 215572820]

約数ペア:

[(1, 215572820), (2, 107786410), (4, 53893205), (5, 43114564), (10, 21557282), (20, 10778641), (103, 2092940), (206, 1046470), (227, 949660), (412, 523235), (454, 474830), (461, 467620), (515, 418588), (908, 237415), (922, 233810), (1030, 209294), (1135, 189932), (1844, 116905), (2060, 104647), (2270, 94966), (2305, 93524), (4540, 47483), (4610, 46762), (9220, 23381)]