4720540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 11088000

約数和(自身を除く): 6367460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 499, 860, 946, 998, 1892, 1996, 2365, 2495, 4730, 4990, 5489, 9460, 9980, 10978, 21457, 21956, 27445, 42914, 54890, 85828, 107285, 109780, 214570, 236027, 429140, 472054, 944108, 1180135, 2360270, 4720540]

約数ペア:

[(1, 4720540), (2, 2360270), (4, 1180135), (5, 944108), (10, 472054), (11, 429140), (20, 236027), (22, 214570), (43, 109780), (44, 107285), (55, 85828), (86, 54890), (110, 42914), (172, 27445), (215, 21956), (220, 21457), (430, 10978), (473, 9980), (499, 9460), (860, 5489), (946, 4990), (998, 4730), (1892, 2495), (1996, 2365)]