85486520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2801}}^1$

素因数の和:2928

約数の個数: 64

約数和(自身を含む): 221918400

約数和(自身を除く): 136431880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 2801, 3052, 3815, 4360, 5602, 6104, 7630, 11204, 14005, 15260, 19607, 22408, 28010, 30520, 39214, 56020, 78428, 98035, 112040, 156856, 196070, 305309, 392140, 610618, 784280, 1221236, 1526545, 2137163, 2442472, 3053090, 4274326, 6106180, 8548652, 10685815, 12212360, 17097304, 21371630, 42743260, 85486520]

約数ペア:

[(1, 85486520), (2, 42743260), (4, 21371630), (5, 17097304), (7, 12212360), (8, 10685815), (10, 8548652), (14, 6106180), (20, 4274326), (28, 3053090), (35, 2442472), (40, 2137163), (56, 1526545), (70, 1221236), (109, 784280), (140, 610618), (218, 392140), (280, 305309), (436, 196070), (545, 156856), (763, 112040), (872, 98035), (1090, 78428), (1526, 56020), (2180, 39214), (2801, 30520), (3052, 28010), (3815, 22408), (4360, 19607), (5602, 15260), (6104, 14005), (7630, 11204)]