357788380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{4289}}^1$

素因数の和:4438

約数の個数: 48

約数和(自身を含む): 776936160

約数和(自身を除く): 419147780

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 388, 430, 485, 860, 970, 1940, 4171, 4289, 8342, 8578, 16684, 17156, 20855, 21445, 41710, 42890, 83420, 85780, 184427, 368854, 416033, 737708, 832066, 922135, 1664132, 1844270, 2080165, 3688540, 4160330, 8320660, 17889419, 35778838, 71557676, 89447095, 178894190, 357788380]

約数ペア:

[(1, 357788380), (2, 178894190), (4, 89447095), (5, 71557676), (10, 35778838), (20, 17889419), (43, 8320660), (86, 4160330), (97, 3688540), (172, 2080165), (194, 1844270), (215, 1664132), (388, 922135), (430, 832066), (485, 737708), (860, 416033), (970, 368854), (1940, 184427), (4171, 85780), (4289, 83420), (8342, 42890), (8578, 41710), (16684, 21445), (17156, 20855)]