149804560

素因数分解:

$2^4\times 5^1\times {\mathrm{1872557}}^1$

素因数の和:1872570

約数の個数: 20

約数和(自身を含む): 348295788

約数和(自身を除く): 198491228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1872557, 3745114, 7490228, 9362785, 14980456, 18725570, 29960912, 37451140, 74902280, 149804560]

約数ペア:

[(1, 149804560), (2, 74902280), (4, 37451140), (5, 29960912), (8, 18725570), (10, 14980456), (16, 9362785), (20, 7490228), (40, 3745114), (80, 1872557)]