203248225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{1129}}^1$

素因数の和:1537

約数の個数: 24

約数和(自身を含む): 266228000

約数和(自身を除く): 62979775

約数列:

[1, 5, 19, 25, 95, 379, 475, 1129, 1895, 5645, 7201, 9475, 21451, 28225, 36005, 107255, 180025, 427891, 536275, 2139455, 8129929, 10697275, 40649645, 203248225]

約数ペア:

[(1, 203248225), (5, 40649645), (19, 10697275), (25, 8129929), (95, 2139455), (379, 536275), (475, 427891), (1129, 180025), (1895, 107255), (5645, 36005), (7201, 28225), (9475, 21451)]