1564220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11173}}^1$

素因数の和:11189

約数の個数: 24

約数和(自身を含む): 3754464

約数和(自身を除く): 2190244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11173, 22346, 44692, 55865, 78211, 111730, 156422, 223460, 312844, 391055, 782110, 1564220]

約数ペア:

[(1, 1564220), (2, 782110), (4, 391055), (5, 312844), (7, 223460), (10, 156422), (14, 111730), (20, 78211), (28, 55865), (35, 44692), (70, 22346), (140, 11173)]