140483140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{3571}}^1$

素因数の和:3868

約数の個数: 48

約数和(自身を含む): 338454144

約数和(自身を除く): 197971004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 1124, 1405, 1967, 2810, 3571, 3934, 5620, 7142, 7868, 9835, 14284, 17855, 19670, 24997, 35710, 39340, 49994, 71420, 99988, 124985, 249970, 499940, 1003451, 2006902, 4013804, 5017255, 7024157, 10034510, 14048314, 20069020, 28096628, 35120785, 70241570, 140483140]

約数ペア:

[(1, 140483140), (2, 70241570), (4, 35120785), (5, 28096628), (7, 20069020), (10, 14048314), (14, 10034510), (20, 7024157), (28, 5017255), (35, 4013804), (70, 2006902), (140, 1003451), (281, 499940), (562, 249970), (1124, 124985), (1405, 99988), (1967, 71420), (2810, 49994), (3571, 39340), (3934, 35710), (5620, 24997), (7142, 19670), (7868, 17855), (9835, 14284)]