12223820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{87313}}^1$

素因数の和:87329

約数の個数: 24

約数和(自身を含む): 29337504

約数和(自身を除く): 17113684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 87313, 174626, 349252, 436565, 611191, 873130, 1222382, 1746260, 2444764, 3055955, 6111910, 12223820]

約数ペア:

[(1, 12223820), (2, 6111910), (4, 3055955), (5, 2444764), (7, 1746260), (10, 1222382), (14, 873130), (20, 611191), (28, 436565), (35, 349252), (70, 174626), (140, 87313)]