66474860

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{22307}}^1$

素因数の和:22465

約数の個数: 24

約数和(自身を含む): 140540400

約数和(自身を除く): 74065540

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 22307, 44614, 89228, 111535, 223070, 446140, 3323743, 6647486, 13294972, 16618715, 33237430, 66474860]

約数ペア:

[(1, 66474860), (2, 33237430), (4, 16618715), (5, 13294972), (10, 6647486), (20, 3323743), (149, 446140), (298, 223070), (596, 111535), (745, 89228), (1490, 44614), (2980, 22307)]