71364980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{487}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 159376896

約数和(自身を除く): 88011916

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 431, 487, 862, 974, 1724, 1948, 2155, 2435, 4310, 4870, 7327, 8279, 8620, 9740, 14654, 16558, 29308, 33116, 36635, 41395, 73270, 82790, 146540, 165580, 209897, 419794, 839588, 1049485, 2098970, 3568249, 4197940, 7136498, 14272996, 17841245, 35682490, 71364980]

約数ペア:

[(1, 71364980), (2, 35682490), (4, 17841245), (5, 14272996), (10, 7136498), (17, 4197940), (20, 3568249), (34, 2098970), (68, 1049485), (85, 839588), (170, 419794), (340, 209897), (431, 165580), (487, 146540), (862, 82790), (974, 73270), (1724, 41395), (1948, 36635), (2155, 33116), (2435, 29308), (4310, 16558), (4870, 14654), (7327, 9740), (8279, 8620)]