139819820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{13681}}^1$

素因数の和:13770

約数の個数: 48

約数和(自身を含む): 340189248

約数和(自身を除く): 200369428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 13681, 27362, 54724, 68405, 95767, 136810, 191534, 273620, 383068, 478835, 957670, 998713, 1915340, 1997426, 3994852, 4993565, 6990991, 9987130, 13981982, 19974260, 27963964, 34954955, 69909910, 139819820]

約数ペア:

[(1, 139819820), (2, 69909910), (4, 34954955), (5, 27963964), (7, 19974260), (10, 13981982), (14, 9987130), (20, 6990991), (28, 4993565), (35, 3994852), (70, 1997426), (73, 1915340), (140, 998713), (146, 957670), (292, 478835), (365, 383068), (511, 273620), (730, 191534), (1022, 136810), (1460, 95767), (2044, 68405), (2555, 54724), (5110, 27362), (10220, 13681)]