120409940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{860071}}^1$

素因数の和:860087

約数の個数: 24

約数和(自身を含む): 288984192

約数和(自身を除く): 168574252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 860071, 1720142, 3440284, 4300355, 6020497, 8600710, 12040994, 17201420, 24081988, 30102485, 60204970, 120409940]

約数ペア:

[(1, 120409940), (2, 60204970), (4, 30102485), (5, 24081988), (7, 17201420), (10, 12040994), (14, 8600710), (20, 6020497), (28, 4300355), (35, 3440284), (70, 1720142), (140, 860071)]