917885740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1\times {\mathrm{1217}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 1976258592

約数和(自身を除く): 1058372852

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 877, 1217, 1754, 2434, 3508, 4385, 4868, 6085, 8770, 12170, 17540, 24340, 37711, 52331, 75422, 104662, 150844, 188555, 209324, 261655, 377110, 523310, 754220, 1046620, 1067309, 2134618, 4269236, 5336545, 10673090, 21346180, 45894287, 91788574, 183577148, 229471435, 458942870, 917885740]

約数ペア:

[(1, 917885740), (2, 458942870), (4, 229471435), (5, 183577148), (10, 91788574), (20, 45894287), (43, 21346180), (86, 10673090), (172, 5336545), (215, 4269236), (430, 2134618), (860, 1067309), (877, 1046620), (1217, 754220), (1754, 523310), (2434, 377110), (3508, 261655), (4385, 209324), (4868, 188555), (6085, 150844), (8770, 104662), (12170, 75422), (17540, 52331), (24340, 37711)]