201820025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 283963968

約数和(自身を除く): 82143943

約数列:

[1, 5, 11, 25, 53, 55, 61, 227, 265, 275, 305, 583, 671, 1135, 1325, 1525, 2497, 2915, 3233, 3355, 5675, 12031, 12485, 13847, 14575, 16165, 16775, 35563, 60155, 62425, 69235, 80825, 132341, 152317, 177815, 300775, 346175, 661705, 733891, 761585, 889075, 3308525, 3669455, 3807925, 8072801, 18347275, 40364005, 201820025]

約数ペア:

[(1, 201820025), (5, 40364005), (11, 18347275), (25, 8072801), (53, 3807925), (55, 3669455), (61, 3308525), (227, 889075), (265, 761585), (275, 733891), (305, 661705), (583, 346175), (671, 300775), (1135, 177815), (1325, 152317), (1525, 132341), (2497, 80825), (2915, 69235), (3233, 62425), (3355, 60155), (5675, 35563), (12031, 16775), (12485, 16165), (13847, 14575)]