173673940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1621}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 398934144

約数和(自身を除く): 225260204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 487, 974, 1621, 1948, 2435, 3242, 4870, 5357, 6484, 8105, 9740, 10714, 16210, 17831, 21428, 26785, 32420, 35662, 53570, 71324, 89155, 107140, 178310, 356620, 789427, 1578854, 3157708, 3947135, 7894270, 8683697, 15788540, 17367394, 34734788, 43418485, 86836970, 173673940]

約数ペア:

[(1, 173673940), (2, 86836970), (4, 43418485), (5, 34734788), (10, 17367394), (11, 15788540), (20, 8683697), (22, 7894270), (44, 3947135), (55, 3157708), (110, 1578854), (220, 789427), (487, 356620), (974, 178310), (1621, 107140), (1948, 89155), (2435, 71324), (3242, 53570), (4870, 35662), (5357, 32420), (6484, 26785), (8105, 21428), (9740, 17831), (10714, 16210)]