221692940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1583521}}^1$

素因数の和:1583537

約数の個数: 24

約数和(自身を含む): 532063392

約数和(自身を除く): 310370452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1583521, 3167042, 6334084, 7917605, 11084647, 15835210, 22169294, 31670420, 44338588, 55423235, 110846470, 221692940]

約数ペア:

[(1, 221692940), (2, 110846470), (4, 55423235), (5, 44338588), (7, 31670420), (10, 22169294), (14, 15835210), (20, 11084647), (28, 7917605), (35, 6334084), (70, 3167042), (140, 1583521)]