11719820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11959}}^1$

素因数の和:11982

約数の個数: 36

約数和(自身を含む): 28632240

約数和(自身を除く): 16912420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 11959, 23918, 47836, 59795, 83713, 119590, 167426, 239180, 334852, 418565, 585991, 837130, 1171982, 1674260, 2343964, 2929955, 5859910, 11719820]

約数ペア:

[(1, 11719820), (2, 5859910), (4, 2929955), (5, 2343964), (7, 1674260), (10, 1171982), (14, 837130), (20, 585991), (28, 418565), (35, 334852), (49, 239180), (70, 167426), (98, 119590), (140, 83713), (196, 59795), (245, 47836), (490, 23918), (980, 11959)]