2658740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2713}}^1$

素因数の和:2736

約数の個数: 36

約数和(自身を含む): 6497316

約数和(自身を除く): 3838576

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2713, 5426, 10852, 13565, 18991, 27130, 37982, 54260, 75964, 94955, 132937, 189910, 265874, 379820, 531748, 664685, 1329370, 2658740]

約数ペア:

[(1, 2658740), (2, 1329370), (4, 664685), (5, 531748), (7, 379820), (10, 265874), (14, 189910), (20, 132937), (28, 94955), (35, 75964), (49, 54260), (70, 37982), (98, 27130), (140, 18991), (196, 13565), (245, 10852), (490, 5426), (980, 2713)]