191691940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{8627}}^1$

素因数の和:8748

約数の個数: 48

約数和(自身を含む): 443548224

約数和(自身を除く): 251856284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 8627, 11110, 17254, 22220, 34508, 43135, 86270, 94897, 172540, 189794, 379588, 474485, 871327, 948970, 1742654, 1897940, 3485308, 4356635, 8713270, 9584597, 17426540, 19169194, 38338388, 47922985, 95845970, 191691940]

約数ペア:

[(1, 191691940), (2, 95845970), (4, 47922985), (5, 38338388), (10, 19169194), (11, 17426540), (20, 9584597), (22, 8713270), (44, 4356635), (55, 3485308), (101, 1897940), (110, 1742654), (202, 948970), (220, 871327), (404, 474485), (505, 379588), (1010, 189794), (1111, 172540), (2020, 94897), (2222, 86270), (4444, 43135), (5555, 34508), (8627, 22220), (11110, 17254)]