1337156620

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{1759}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 2838528000

約数和(自身を除く): 1501371380

約数列:

[1, 2, 4, 5, 10, 20, 191, 199, 382, 398, 764, 796, 955, 995, 1759, 1910, 1990, 3518, 3820, 3980, 7036, 8795, 17590, 35180, 38009, 76018, 152036, 190045, 335969, 350041, 380090, 671938, 700082, 760180, 1343876, 1400164, 1679845, 1750205, 3359690, 3500410, 6719380, 7000820, 66857831, 133715662, 267431324, 334289155, 668578310, 1337156620]

約数ペア:

[(1, 1337156620), (2, 668578310), (4, 334289155), (5, 267431324), (10, 133715662), (20, 66857831), (191, 7000820), (199, 6719380), (382, 3500410), (398, 3359690), (764, 1750205), (796, 1679845), (955, 1400164), (995, 1343876), (1759, 760180), (1910, 700082), (1990, 671938), (3518, 380090), (3820, 350041), (3980, 335969), (7036, 190045), (8795, 152036), (17590, 76018), (35180, 38009)]