3420475

素因数分解:

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

素因数の和:427

約数の個数: 18

約数和(自身を含む): 4488180

約数和(自身を除く): 1067705

約数列:

[1, 5, 19, 25, 95, 361, 379, 475, 1805, 1895, 7201, 9025, 9475, 36005, 136819, 180025, 684095, 3420475]

約数ペア:

[(1, 3420475), (5, 684095), (19, 180025), (25, 136819), (95, 36005), (361, 9475), (379, 9025), (475, 7201), (1805, 1895)]