17628940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{125921}}^1$

素因数の和:125937

約数の個数: 24

約数和(自身を含む): 42309792

約数和(自身を除く): 24680852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 125921, 251842, 503684, 629605, 881447, 1259210, 1762894, 2518420, 3525788, 4407235, 8814470, 17628940]

約数ペア:

[(1, 17628940), (2, 8814470), (4, 4407235), (5, 3525788), (7, 2518420), (10, 1762894), (14, 1259210), (20, 881447), (28, 629605), (35, 503684), (70, 251842), (140, 125921)]