2168740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2213}}^1$

素因数の和:2236

約数の個数: 36

約数和(自身を含む): 5300316

約数和(自身を除く): 3131576

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2213, 4426, 8852, 11065, 15491, 22130, 30982, 44260, 61964, 77455, 108437, 154910, 216874, 309820, 433748, 542185, 1084370, 2168740]

約数ペア:

[(1, 2168740), (2, 1084370), (4, 542185), (5, 433748), (7, 309820), (10, 216874), (14, 154910), (20, 108437), (28, 77455), (35, 61964), (49, 44260), (70, 30982), (98, 22130), (140, 15491), (196, 11065), (245, 8852), (490, 4426), (980, 2213)]