204417875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 267411456

約数和(自身を除く): 62993581

約数列:

[1, 5, 25, 31, 71, 125, 155, 355, 743, 775, 1775, 2201, 3715, 3875, 8875, 11005, 18575, 23033, 52753, 55025, 92875, 115165, 263765, 275125, 575825, 1318825, 1635343, 2879125, 6594125, 8176715, 40883575, 204417875]

約数ペア:

[(1, 204417875), (5, 40883575), (25, 8176715), (31, 6594125), (71, 2879125), (125, 1635343), (155, 1318825), (355, 575825), (743, 275125), (775, 263765), (1775, 115165), (2201, 92875), (3715, 55025), (3875, 52753), (8875, 23033), (11005, 18575)]