17440360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 45216000

約数和(自身を除く): 27775640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 313, 398, 626, 796, 995, 1252, 1393, 1565, 1592, 1990, 2191, 2504, 2786, 3130, 3980, 4382, 5572, 6260, 6965, 7960, 8764, 10955, 11144, 12520, 13930, 17528, 21910, 27860, 43820, 55720, 62287, 87640, 124574, 249148, 311435, 436009, 498296, 622870, 872018, 1245740, 1744036, 2180045, 2491480, 3488072, 4360090, 8720180, 17440360]

約数ペア:

[(1, 17440360), (2, 8720180), (4, 4360090), (5, 3488072), (7, 2491480), (8, 2180045), (10, 1744036), (14, 1245740), (20, 872018), (28, 622870), (35, 498296), (40, 436009), (56, 311435), (70, 249148), (140, 124574), (199, 87640), (280, 62287), (313, 55720), (398, 43820), (626, 27860), (796, 21910), (995, 17528), (1252, 13930), (1393, 12520), (1565, 11144), (1592, 10955), (1990, 8764), (2191, 7960), (2504, 6965), (2786, 6260), (3130, 5572), (3980, 4382)]