157426280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{357787}}^1$

素因数の和:357809

約数の個数: 32

約数和(自身を含む): 386411040

約数和(自身を除く): 228984760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 357787, 715574, 1431148, 1788935, 2862296, 3577870, 3935657, 7155740, 7871314, 14311480, 15742628, 19678285, 31485256, 39356570, 78713140, 157426280]

約数ペア:

[(1, 157426280), (2, 78713140), (4, 39356570), (5, 31485256), (8, 19678285), (10, 15742628), (11, 14311480), (20, 7871314), (22, 7155740), (40, 3935657), (44, 3577870), (55, 2862296), (88, 1788935), (110, 1431148), (220, 715574), (440, 357787)]