31179820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222713}}^1$

素因数の和:222729

約数の個数: 24

約数和(自身を含む): 74831904

約数和(自身を除く): 43652084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222713, 445426, 890852, 1113565, 1558991, 2227130, 3117982, 4454260, 6235964, 7794955, 15589910, 31179820]

約数ペア:

[(1, 31179820), (2, 15589910), (4, 7794955), (5, 6235964), (7, 4454260), (10, 3117982), (14, 2227130), (20, 1558991), (28, 1113565), (35, 890852), (70, 445426), (140, 222713)]