187452820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{228601}}^1$

素因数の和:228651

約数の個数: 24

約数和(自身を含む): 403253928

約数和(自身を除く): 215801108

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 228601, 457202, 914404, 1143005, 2286010, 4572020, 9372641, 18745282, 37490564, 46863205, 93726410, 187452820]

約数ペア:

[(1, 187452820), (2, 93726410), (4, 46863205), (5, 37490564), (10, 18745282), (20, 9372641), (41, 4572020), (82, 2286010), (164, 1143005), (205, 914404), (410, 457202), (820, 228601)]