2190256460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15644689}}^1$

素因数の和:15644705

約数の個数: 24

約数和(自身を含む): 5256615840

約数和(自身を除く): 3066359380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15644689, 31289378, 62578756, 78223445, 109512823, 156446890, 219025646, 312893780, 438051292, 547564115, 1095128230, 2190256460]

約数ペア:

[(1, 2190256460), (2, 1095128230), (4, 547564115), (5, 438051292), (7, 312893780), (10, 219025646), (14, 156446890), (20, 109512823), (28, 78223445), (35, 62578756), (70, 31289378), (140, 15644689)]