978174740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{457091}}^1$

素因数の和:457207

約数の個数: 24

約数和(自身を含む): 2073369312

約数和(自身を除く): 1095194572

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 457091, 914182, 1828364, 2285455, 4570910, 9141820, 48908737, 97817474, 195634948, 244543685, 489087370, 978174740]

約数ペア:

[(1, 978174740), (2, 489087370), (4, 244543685), (5, 195634948), (10, 97817474), (20, 48908737), (107, 9141820), (214, 4570910), (428, 2285455), (535, 1828364), (1070, 914182), (2140, 457091)]