138893375

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 181396800

約数和(自身を除く): 42503425

約数列:

[1, 5, 25, 37, 59, 125, 185, 295, 509, 925, 1475, 2183, 2545, 4625, 7375, 10915, 12725, 18833, 30031, 54575, 63625, 94165, 150155, 272875, 470825, 750775, 1111147, 2354125, 3753875, 5555735, 27778675, 138893375]

約数ペア:

[(1, 138893375), (5, 27778675), (25, 5555735), (37, 3753875), (59, 2354125), (125, 1111147), (185, 750775), (295, 470825), (509, 272875), (925, 150155), (1475, 94165), (2183, 63625), (2545, 54575), (4625, 30031), (7375, 18833), (10915, 12725)]