225257060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1608979}}^1$

素因数の和:1608995

約数の個数: 24

約数和(自身を含む): 540617280

約数和(自身を除く): 315360220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1608979, 3217958, 6435916, 8044895, 11262853, 16089790, 22525706, 32179580, 45051412, 56314265, 112628530, 225257060]

約数ペア:

[(1, 225257060), (2, 112628530), (4, 56314265), (5, 45051412), (7, 32179580), (10, 22525706), (14, 16089790), (20, 11262853), (28, 8044895), (35, 6435916), (70, 3217958), (140, 1608979)]