17950940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128221}}^1$

素因数の和:128237

約数の個数: 24

約数和(自身を含む): 43082592

約数和(自身を除く): 25131652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128221, 256442, 512884, 641105, 897547, 1282210, 1795094, 2564420, 3590188, 4487735, 8975470, 17950940]

約数ペア:

[(1, 17950940), (2, 8975470), (4, 4487735), (5, 3590188), (7, 2564420), (10, 1795094), (14, 1282210), (20, 897547), (28, 641105), (35, 512884), (70, 256442), (140, 128221)]