553639940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3954571}}^1$

素因数の和:3954587

約数の個数: 24

約数和(自身を含む): 1328736192

約数和(自身を除く): 775096252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3954571, 7909142, 15818284, 19772855, 27681997, 39545710, 55363994, 79091420, 110727988, 138409985, 276819970, 553639940]

約数ペア:

[(1, 553639940), (2, 276819970), (4, 138409985), (5, 110727988), (7, 79091420), (10, 55363994), (14, 39545710), (20, 27681997), (28, 19772855), (35, 15818284), (70, 7909142), (140, 3954571)]