290804525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{1999}}^1$

素因数の和:2066

約数の個数: 36

約数和(自身を含む): 411432000

約数和(自身を除く): 120627475

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 529, 575, 1265, 1999, 2645, 5819, 6325, 9995, 13225, 21989, 29095, 45977, 49975, 109945, 145475, 229885, 505747, 549725, 1057471, 1149425, 2528735, 5287355, 11632181, 12643675, 26436775, 58160905, 290804525]

約数ペア:

[(1, 290804525), (5, 58160905), (11, 26436775), (23, 12643675), (25, 11632181), (55, 5287355), (115, 2528735), (253, 1149425), (275, 1057471), (529, 549725), (575, 505747), (1265, 229885), (1999, 145475), (2645, 109945), (5819, 49975), (6325, 45977), (9995, 29095), (13225, 21989)]