214206740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2503}}^1$

素因数の和:2912

約数の個数: 48

約数和(自身を含む): 492186240

約数和(自身を除く): 277979500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 389, 778, 1556, 1945, 2503, 3890, 4279, 5006, 7780, 8558, 10012, 12515, 17116, 21395, 25030, 27533, 42790, 50060, 55066, 85580, 110132, 137665, 275330, 550660, 973667, 1947334, 3894668, 4868335, 9736670, 10710337, 19473340, 21420674, 42841348, 53551685, 107103370, 214206740]

約数ペア:

[(1, 214206740), (2, 107103370), (4, 53551685), (5, 42841348), (10, 21420674), (11, 19473340), (20, 10710337), (22, 9736670), (44, 4868335), (55, 3894668), (110, 1947334), (220, 973667), (389, 550660), (778, 275330), (1556, 137665), (1945, 110132), (2503, 85580), (3890, 55066), (4279, 50060), (5006, 42790), (7780, 27533), (8558, 25030), (10012, 21395), (12515, 17116)]