257156925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1597}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 451786560

約数和(自身を除く): 194629635

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 113, 285, 339, 475, 565, 1425, 1597, 1695, 2147, 2825, 4791, 6441, 7985, 8475, 10735, 23955, 30343, 32205, 39925, 53675, 91029, 119775, 151715, 161025, 180461, 455145, 541383, 758575, 902305, 2275725, 2706915, 3428759, 4511525, 10286277, 13534575, 17143795, 51431385, 85718975, 257156925]

約数ペア:

[(1, 257156925), (3, 85718975), (5, 51431385), (15, 17143795), (19, 13534575), (25, 10286277), (57, 4511525), (75, 3428759), (95, 2706915), (113, 2275725), (285, 902305), (339, 758575), (475, 541383), (565, 455145), (1425, 180461), (1597, 161025), (1695, 151715), (2147, 119775), (2825, 91029), (4791, 53675), (6441, 39925), (7985, 32205), (8475, 30343), (10735, 23955)]