220499244

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1021}}^1$

素因数の和:1895

約数の個数: 72

約数和(自身を含む): 638365728

約数和(自身を除く): 417866484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 857, 1021, 1714, 2042, 2571, 3063, 3428, 4084, 5142, 5999, 6126, 7147, 7713, 9189, 10284, 11998, 12252, 14294, 15426, 17997, 18378, 21441, 23996, 28588, 30852, 35994, 36756, 42882, 53991, 64323, 71988, 85764, 107982, 128646, 215964, 257292, 874997, 1749994, 2624991, 3499988, 5249982, 6124979, 7874973, 10499964, 12249958, 15749946, 18374937, 24499916, 31499892, 36749874, 55124811, 73499748, 110249622, 220499244]

約数ペア:

[(1, 220499244), (2, 110249622), (3, 73499748), (4, 55124811), (6, 36749874), (7, 31499892), (9, 24499916), (12, 18374937), (14, 15749946), (18, 12249958), (21, 10499964), (28, 7874973), (36, 6124979), (42, 5249982), (63, 3499988), (84, 2624991), (126, 1749994), (252, 874997), (857, 257292), (1021, 215964), (1714, 128646), (2042, 107982), (2571, 85764), (3063, 71988), (3428, 64323), (4084, 53991), (5142, 42882), (5999, 36756), (6126, 35994), (7147, 30852), (7713, 28588), (9189, 23996), (10284, 21441), (11998, 18378), (12252, 17997), (14294, 15426)]