90625780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647327}}^1$

素因数の和:647343

約数の個数: 24

約数和(自身を含む): 217502208

約数和(自身を除く): 126876428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647327, 1294654, 2589308, 3236635, 4531289, 6473270, 9062578, 12946540, 18125156, 22656445, 45312890, 90625780]

約数ペア:

[(1, 90625780), (2, 45312890), (4, 22656445), (5, 18125156), (7, 12946540), (10, 9062578), (14, 6473270), (20, 4531289), (28, 3236635), (35, 2589308), (70, 1294654), (140, 647327)]