138954040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2069}}^1$

素因数の和:2176

約数の個数: 64

約数和(自身を含む): 330868800

約数和(自身を除く): 191914760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 230, 292, 365, 460, 584, 730, 920, 1460, 1679, 2069, 2920, 3358, 4138, 6716, 8276, 8395, 10345, 13432, 16552, 16790, 20690, 33580, 41380, 47587, 67160, 82760, 95174, 151037, 190348, 237935, 302074, 380696, 475870, 604148, 755185, 951740, 1208296, 1510370, 1903480, 3020740, 3473851, 6041480, 6947702, 13895404, 17369255, 27790808, 34738510, 69477020, 138954040]

約数ペア:

[(1, 138954040), (2, 69477020), (4, 34738510), (5, 27790808), (8, 17369255), (10, 13895404), (20, 6947702), (23, 6041480), (40, 3473851), (46, 3020740), (73, 1903480), (92, 1510370), (115, 1208296), (146, 951740), (184, 755185), (230, 604148), (292, 475870), (365, 380696), (460, 302074), (584, 237935), (730, 190348), (920, 151037), (1460, 95174), (1679, 82760), (2069, 67160), (2920, 47587), (3358, 41380), (4138, 33580), (6716, 20690), (8276, 16790), (8395, 16552), (10345, 13432)]