620173820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4429813}}^1$

素因数の和:4429829

約数の個数: 24

約数和(自身を含む): 1488417504

約数和(自身を除く): 868243684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4429813, 8859626, 17719252, 22149065, 31008691, 44298130, 62017382, 88596260, 124034764, 155043455, 310086910, 620173820]

約数ペア:

[(1, 620173820), (2, 310086910), (4, 155043455), (5, 124034764), (7, 88596260), (10, 62017382), (14, 44298130), (20, 31008691), (28, 22149065), (35, 17719252), (70, 8859626), (140, 4429813)]