217317760

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30869}}^1$

素因数の和:30899

約数の個数: 64

約数和(自身を含む): 566773200

約数和(自身を除く): 349455440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 30869, 61738, 123476, 154345, 246952, 308690, 339559, 493904, 617380, 679118, 987808, 1234760, 1358236, 1697795, 1975616, 2469520, 2716472, 3395590, 3951232, 4939040, 5432944, 6791180, 9878080, 10865888, 13582360, 19756160, 21731776, 27164720, 43463552, 54329440, 108658880, 217317760]

約数ペア:

[(1, 217317760), (2, 108658880), (4, 54329440), (5, 43463552), (8, 27164720), (10, 21731776), (11, 19756160), (16, 13582360), (20, 10865888), (22, 9878080), (32, 6791180), (40, 5432944), (44, 4939040), (55, 3951232), (64, 3395590), (80, 2716472), (88, 2469520), (110, 1975616), (128, 1697795), (160, 1358236), (176, 1234760), (220, 987808), (320, 679118), (352, 617380), (440, 493904), (640, 339559), (704, 308690), (880, 246952), (1408, 154345), (1760, 123476), (3520, 61738), (7040, 30869)]