22801420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 28304180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 337, 340, 398, 674, 796, 995, 1348, 1685, 1990, 3370, 3383, 3980, 5729, 6740, 6766, 11458, 13532, 16915, 22916, 28645, 33830, 57290, 67063, 67660, 114580, 134126, 268252, 335315, 670630, 1140071, 1341260, 2280142, 4560284, 5700355, 11400710, 22801420]

約数ペア:

[(1, 22801420), (2, 11400710), (4, 5700355), (5, 4560284), (10, 2280142), (17, 1341260), (20, 1140071), (34, 670630), (68, 335315), (85, 268252), (170, 134126), (199, 114580), (337, 67660), (340, 67063), (398, 57290), (674, 33830), (796, 28645), (995, 22916), (1348, 16915), (1685, 13532), (1990, 11458), (3370, 6766), (3383, 6740), (3980, 5729)]