7222420

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1091}}^1$

素因数の和:1431

約数の個数: 24

約数和(自身を含む): 15226848

約数和(自身を除く): 8004428

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1091, 1324, 1655, 2182, 3310, 4364, 5455, 6620, 10910, 21820, 361121, 722242, 1444484, 1805605, 3611210, 7222420]

約数ペア:

[(1, 7222420), (2, 3611210), (4, 1805605), (5, 1444484), (10, 722242), (20, 361121), (331, 21820), (662, 10910), (1091, 6620), (1324, 5455), (1655, 4364), (2182, 3310)]