68571860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{489799}}^1$

素因数の和:489815

約数の個数: 24

約数和(自身を含む): 164572800

約数和(自身を除く): 96000940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 489799, 979598, 1959196, 2448995, 3428593, 4897990, 6857186, 9795980, 13714372, 17142965, 34285930, 68571860]

約数ペア:

[(1, 68571860), (2, 34285930), (4, 17142965), (5, 13714372), (7, 9795980), (10, 6857186), (14, 4897990), (20, 3428593), (28, 2448995), (35, 1959196), (70, 979598), (140, 489799)]