278551480

素因数分解:

$2^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{11587}}^1$

素因数の和:12199

約数の個数: 32

約数和(自身を含む): 627837840

約数和(自身を除く): 349286360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 601, 1202, 2404, 3005, 4808, 6010, 11587, 12020, 23174, 24040, 46348, 57935, 92696, 115870, 231740, 463480, 6963787, 13927574, 27855148, 34818935, 55710296, 69637870, 139275740, 278551480]

約数ペア:

[(1, 278551480), (2, 139275740), (4, 69637870), (5, 55710296), (8, 34818935), (10, 27855148), (20, 13927574), (40, 6963787), (601, 463480), (1202, 231740), (2404, 115870), (3005, 92696), (4808, 57935), (6010, 46348), (11587, 24040), (12020, 23174)]