51290330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 114670080

約数和(自身を除く): 63379750

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 157, 182, 314, 359, 455, 718, 785, 910, 1099, 1570, 1795, 2041, 2198, 2513, 3590, 4082, 4667, 5026, 5495, 9334, 10205, 10990, 12565, 14287, 20410, 23335, 25130, 28574, 32669, 46670, 56363, 65338, 71435, 112726, 142870, 163345, 281815, 326690, 394541, 563630, 732719, 789082, 1465438, 1972705, 3663595, 3945410, 5129033, 7327190, 10258066, 25645165, 51290330]

約数ペア:

[(1, 51290330), (2, 25645165), (5, 10258066), (7, 7327190), (10, 5129033), (13, 3945410), (14, 3663595), (26, 1972705), (35, 1465438), (65, 789082), (70, 732719), (91, 563630), (130, 394541), (157, 326690), (182, 281815), (314, 163345), (359, 142870), (455, 112726), (718, 71435), (785, 65338), (910, 56363), (1099, 46670), (1570, 32669), (1795, 28574), (2041, 25130), (2198, 23335), (2513, 20410), (3590, 14287), (4082, 12565), (4667, 10990), (5026, 10205), (5495, 9334)]