90622420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647303}}^1$

素因数の和:647319

約数の個数: 24

約数和(自身を含む): 217494144

約数和(自身を除く): 126871724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647303, 1294606, 2589212, 3236515, 4531121, 6473030, 9062242, 12946060, 18124484, 22655605, 45311210, 90622420]

約数ペア:

[(1, 90622420), (2, 45311210), (4, 22655605), (5, 18124484), (7, 12946060), (10, 9062242), (14, 6473030), (20, 4531121), (28, 3236515), (35, 2589212), (70, 1294606), (140, 647303)]