2159780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15427}}^1$

素因数の和:15443

約数の個数: 24

約数和(自身を含む): 5183808

約数和(自身を除く): 3024028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15427, 30854, 61708, 77135, 107989, 154270, 215978, 308540, 431956, 539945, 1079890, 2159780]

約数ペア:

[(1, 2159780), (2, 1079890), (4, 539945), (5, 431956), (7, 308540), (10, 215978), (14, 154270), (20, 107989), (28, 77135), (35, 61708), (70, 30854), (140, 15427)]