204900215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 284286240

約数和(自身を除く): 79386025

約数列:

[1, 5, 13, 23, 59, 65, 101, 115, 295, 299, 505, 529, 767, 1313, 1357, 1495, 2323, 2645, 3835, 5959, 6565, 6785, 6877, 11615, 17641, 29795, 30199, 31211, 34385, 53429, 77467, 88205, 137057, 150995, 156055, 267145, 387335, 405743, 685285, 694577, 1781741, 2028715, 3152311, 3472885, 8908705, 15761555, 40980043, 204900215]

約数ペア:

[(1, 204900215), (5, 40980043), (13, 15761555), (23, 8908705), (59, 3472885), (65, 3152311), (101, 2028715), (115, 1781741), (295, 694577), (299, 685285), (505, 405743), (529, 387335), (767, 267145), (1313, 156055), (1357, 150995), (1495, 137057), (2323, 88205), (2645, 77467), (3835, 53429), (5959, 34385), (6565, 31211), (6785, 30199), (6877, 29795), (11615, 17641)]