28142580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2357}}^1$

素因数の和:2568

約数の個数: 48

約数和(自身を含む): 79228800

約数和(自身を除く): 51086220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1990, 2357, 2388, 2985, 3980, 4714, 5970, 7071, 9428, 11785, 11940, 14142, 23570, 28284, 35355, 47140, 70710, 141420, 469043, 938086, 1407129, 1876172, 2345215, 2814258, 4690430, 5628516, 7035645, 9380860, 14071290, 28142580]

約数ペア:

[(1, 28142580), (2, 14071290), (3, 9380860), (4, 7035645), (5, 5628516), (6, 4690430), (10, 2814258), (12, 2345215), (15, 1876172), (20, 1407129), (30, 938086), (60, 469043), (199, 141420), (398, 70710), (597, 47140), (796, 35355), (995, 28284), (1194, 23570), (1990, 14142), (2357, 11940), (2388, 11785), (2985, 9428), (3980, 7071), (4714, 5970)]