1900571890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{367}}^1\times {\mathrm{443}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 3952779264

約数和(自身を除く): 2052207374

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 167, 334, 367, 443, 734, 835, 886, 1169, 1670, 1835, 2215, 2338, 2569, 3101, 3670, 4430, 5138, 5845, 6202, 11690, 12845, 15505, 25690, 31010, 61289, 73981, 122578, 147962, 162581, 306445, 325162, 369905, 429023, 517867, 612890, 739810, 812905, 858046, 1035734, 1138067, 1625810, 2145115, 2276134, 2589335, 4290230, 5178670, 5690335, 11380670, 27151027, 54302054, 135755135, 190057189, 271510270, 380114378, 950285945, 1900571890]

約数ペア:

[(1, 1900571890), (2, 950285945), (5, 380114378), (7, 271510270), (10, 190057189), (14, 135755135), (35, 54302054), (70, 27151027), (167, 11380670), (334, 5690335), (367, 5178670), (443, 4290230), (734, 2589335), (835, 2276134), (886, 2145115), (1169, 1625810), (1670, 1138067), (1835, 1035734), (2215, 858046), (2338, 812905), (2569, 739810), (3101, 612890), (3670, 517867), (4430, 429023), (5138, 369905), (5845, 325162), (6202, 306445), (11690, 162581), (12845, 147962), (15505, 122578), (25690, 73981), (31010, 61289)]