72171400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{51551}}^1$

素因数の和:51574

約数の個数: 48

約数和(自身を含む): 191773440

約数和(自身を除く): 119602040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 51551, 103102, 206204, 257755, 360857, 412408, 515510, 721714, 1031020, 1288775, 1443428, 1804285, 2062040, 2577550, 2886856, 3608570, 5155100, 7217140, 9021425, 10310200, 14434280, 18042850, 36085700, 72171400]

約数ペア:

[(1, 72171400), (2, 36085700), (4, 18042850), (5, 14434280), (7, 10310200), (8, 9021425), (10, 7217140), (14, 5155100), (20, 3608570), (25, 2886856), (28, 2577550), (35, 2062040), (40, 1804285), (50, 1443428), (56, 1288775), (70, 1031020), (100, 721714), (140, 515510), (175, 412408), (200, 360857), (280, 257755), (350, 206204), (700, 103102), (1400, 51551)]