157428775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 237484800

約数和(自身を除く): 80056025

約数列:

[1, 5, 7, 19, 25, 35, 95, 113, 133, 175, 419, 475, 565, 665, 791, 2095, 2147, 2825, 2933, 3325, 3955, 7961, 10475, 10735, 14665, 15029, 19775, 39805, 47347, 53675, 55727, 73325, 75145, 199025, 236735, 278635, 331429, 375725, 899593, 1183675, 1393175, 1657145, 4497965, 6297151, 8285725, 22489825, 31485755, 157428775]

約数ペア:

[(1, 157428775), (5, 31485755), (7, 22489825), (19, 8285725), (25, 6297151), (35, 4497965), (95, 1657145), (113, 1393175), (133, 1183675), (175, 899593), (419, 375725), (475, 331429), (565, 278635), (665, 236735), (791, 199025), (2095, 75145), (2147, 73325), (2825, 55727), (2933, 53675), (3325, 47347), (3955, 39805), (7961, 19775), (10475, 15029), (10735, 14665)]