222796225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4049}}^1$

素因数の和:4161

約数の個数: 24

約数和(自身を含む): 289267200

約数和(自身を除く): 66470975

約数列:

[1, 5, 25, 31, 71, 155, 355, 775, 1775, 2201, 4049, 11005, 20245, 55025, 101225, 125519, 287479, 627595, 1437395, 3137975, 7186975, 8911849, 44559245, 222796225]

約数ペア:

[(1, 222796225), (5, 44559245), (25, 8911849), (31, 7186975), (71, 3137975), (155, 1437395), (355, 627595), (775, 287479), (1775, 125519), (2201, 101225), (4049, 55025), (11005, 20245)]