30817220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{220123}}^1$

素因数の和:220139

約数の個数: 24

約数和(自身を含む): 73961664

約数和(自身を除く): 43144444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 220123, 440246, 880492, 1100615, 1540861, 2201230, 3081722, 4402460, 6163444, 7704305, 15408610, 30817220]

約数ペア:

[(1, 30817220), (2, 15408610), (4, 7704305), (5, 6163444), (7, 4402460), (10, 3081722), (14, 2201230), (20, 1540861), (28, 1100615), (35, 880492), (70, 440246), (140, 220123)]