139025740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{141863}}^1$

素因数の和:141886

約数の個数: 36

約数和(自身を含む): 339622416

約数和(自身を除く): 200596676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 141863, 283726, 567452, 709315, 993041, 1418630, 1986082, 2837260, 3972164, 4965205, 6951287, 9930410, 13902574, 19860820, 27805148, 34756435, 69512870, 139025740]

約数ペア:

[(1, 139025740), (2, 69512870), (4, 34756435), (5, 27805148), (7, 19860820), (10, 13902574), (14, 9930410), (20, 6951287), (28, 4965205), (35, 3972164), (49, 2837260), (70, 1986082), (98, 1418630), (140, 993041), (196, 709315), (245, 567452), (490, 283726), (980, 141863)]