220176460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1572689}}^1$

素因数の和:1572705

約数の個数: 24

約数和(自身を含む): 528423840

約数和(自身を除く): 308247380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1572689, 3145378, 6290756, 7863445, 11008823, 15726890, 22017646, 31453780, 44035292, 55044115, 110088230, 220176460]

約数ペア:

[(1, 220176460), (2, 110088230), (4, 55044115), (5, 44035292), (7, 31453780), (10, 22017646), (14, 15726890), (20, 11008823), (28, 7863445), (35, 6290756), (70, 3145378), (140, 1572689)]