284905460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2035039}}^1$

素因数の和:2035055

約数の個数: 24

約数和(自身を含む): 683773440

約数和(自身を除く): 398867980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2035039, 4070078, 8140156, 10175195, 14245273, 20350390, 28490546, 40700780, 56981092, 71226365, 142452730, 284905460]

約数ペア:

[(1, 284905460), (2, 142452730), (4, 71226365), (5, 56981092), (7, 40700780), (10, 28490546), (14, 20350390), (20, 14245273), (28, 10175195), (35, 8140156), (70, 4070078), (140, 2035039)]