72459940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{517571}}^1$

素因数の和:517587

約数の個数: 24

約数和(自身を含む): 173904192

約数和(自身を除く): 101444252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 517571, 1035142, 2070284, 2587855, 3622997, 5175710, 7245994, 10351420, 14491988, 18114985, 36229970, 72459940]

約数ペア:

[(1, 72459940), (2, 36229970), (4, 18114985), (5, 14491988), (7, 10351420), (10, 7245994), (14, 5175710), (20, 3622997), (28, 2587855), (35, 2070284), (70, 1035142), (140, 517571)]