1979318740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2019713}}^1$

素因数の和:2019736

約数の個数: 36

約数和(自身を含む): 4835195316

約数和(自身を除く): 2855876576

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2019713, 4039426, 8078852, 10098565, 14137991, 20197130, 28275982, 40394260, 56551964, 70689955, 98965937, 141379910, 197931874, 282759820, 395863748, 494829685, 989659370, 1979318740]

約数ペア:

[(1, 1979318740), (2, 989659370), (4, 494829685), (5, 395863748), (7, 282759820), (10, 197931874), (14, 141379910), (20, 98965937), (28, 70689955), (35, 56551964), (49, 40394260), (70, 28275982), (98, 20197130), (140, 14137991), (196, 10098565), (245, 8078852), (490, 4039426), (980, 2019713)]