275451880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1487}}^1$

素因数の和:1930

約数の個数: 64

約数和(自身を含む): 678170880

約数和(自身を除く): 402719000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 421, 440, 842, 1487, 1684, 2105, 2974, 3368, 4210, 4631, 5948, 7435, 8420, 9262, 11896, 14870, 16357, 16840, 18524, 23155, 29740, 32714, 37048, 46310, 59480, 65428, 81785, 92620, 130856, 163570, 185240, 327140, 626027, 654280, 1252054, 2504108, 3130135, 5008216, 6260270, 6886297, 12520540, 13772594, 25041080, 27545188, 34431485, 55090376, 68862970, 137725940, 275451880]

約数ペア:

[(1, 275451880), (2, 137725940), (4, 68862970), (5, 55090376), (8, 34431485), (10, 27545188), (11, 25041080), (20, 13772594), (22, 12520540), (40, 6886297), (44, 6260270), (55, 5008216), (88, 3130135), (110, 2504108), (220, 1252054), (421, 654280), (440, 626027), (842, 327140), (1487, 185240), (1684, 163570), (2105, 130856), (2974, 92620), (3368, 81785), (4210, 65428), (4631, 59480), (5948, 46310), (7435, 37048), (8420, 32714), (9262, 29740), (11896, 23155), (14870, 18524), (16357, 16840)]