248450260

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157247}}^1$

素因数の和:157335

約数の個数: 24

約数和(自身を含む): 528353280

約数和(自身を除く): 279903020

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 157247, 314494, 628988, 786235, 1572470, 3144940, 12422513, 24845026, 49690052, 62112565, 124225130, 248450260]

約数ペア:

[(1, 248450260), (2, 124225130), (4, 62112565), (5, 49690052), (10, 24845026), (20, 12422513), (79, 3144940), (158, 1572470), (316, 786235), (395, 628988), (790, 314494), (1580, 157247)]