251013125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1259}}^1$

素因数の和:1319

約数の個数: 40

約数和(自身を含む): 354261600

約数和(自身を除く): 103248475

約数列:

[1, 5, 11, 25, 29, 55, 125, 145, 275, 319, 625, 725, 1259, 1375, 1595, 3625, 6295, 6875, 7975, 13849, 18125, 31475, 36511, 39875, 69245, 157375, 182555, 199375, 346225, 401621, 786875, 912775, 1731125, 2008105, 4563875, 8655625, 10040525, 22819375, 50202625, 251013125]

約数ペア:

[(1, 251013125), (5, 50202625), (11, 22819375), (25, 10040525), (29, 8655625), (55, 4563875), (125, 2008105), (145, 1731125), (275, 912775), (319, 786875), (625, 401621), (725, 346225), (1259, 199375), (1375, 182555), (1595, 157375), (3625, 69245), (6295, 39875), (6875, 36511), (7975, 31475), (13849, 18125)]