2901775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 3906000

約数和(自身を除く): 1004225

約数列:

[1, 5, 19, 25, 41, 95, 149, 205, 475, 745, 779, 1025, 2831, 3725, 3895, 6109, 14155, 19475, 30545, 70775, 116071, 152725, 580355, 2901775]

約数ペア:

[(1, 2901775), (5, 580355), (19, 152725), (25, 116071), (41, 70775), (95, 30545), (149, 19475), (205, 14155), (475, 6109), (745, 3895), (779, 3725), (1025, 2831)]