2910820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 6785856

約数和(自身を除く): 3875036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 131, 202, 220, 262, 404, 505, 524, 655, 1010, 1111, 1310, 1441, 2020, 2222, 2620, 2882, 4444, 5555, 5764, 7205, 11110, 13231, 14410, 22220, 26462, 28820, 52924, 66155, 132310, 145541, 264620, 291082, 582164, 727705, 1455410, 2910820]

約数ペア:

[(1, 2910820), (2, 1455410), (4, 727705), (5, 582164), (10, 291082), (11, 264620), (20, 145541), (22, 132310), (44, 66155), (55, 52924), (101, 28820), (110, 26462), (131, 22220), (202, 14410), (220, 13231), (262, 11110), (404, 7205), (505, 5764), (524, 5555), (655, 4444), (1010, 2882), (1111, 2620), (1310, 2222), (1441, 2020)]