12968830

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 28800000

約数和(自身を除く): 15831170

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 199, 245, 266, 343, 398, 490, 665, 686, 931, 995, 1330, 1393, 1715, 1862, 1990, 2786, 3430, 3781, 4655, 6517, 6965, 7562, 9310, 9751, 13034, 13930, 18905, 19502, 26467, 32585, 37810, 48755, 52934, 65170, 68257, 97510, 132335, 136514, 185269, 264670, 341285, 370538, 682570, 926345, 1296883, 1852690, 2593766, 6484415, 12968830]

約数ペア:

[(1, 12968830), (2, 6484415), (5, 2593766), (7, 1852690), (10, 1296883), (14, 926345), (19, 682570), (35, 370538), (38, 341285), (49, 264670), (70, 185269), (95, 136514), (98, 132335), (133, 97510), (190, 68257), (199, 65170), (245, 52934), (266, 48755), (343, 37810), (398, 32585), (490, 26467), (665, 19502), (686, 18905), (931, 13930), (995, 13034), (1330, 9751), (1393, 9310), (1715, 7562), (1862, 6965), (1990, 6517), (2786, 4655), (3430, 3781)]