444857200

素因数分解:

$2^4\times 5^2\times {\mathrm{1112143}}^1$

素因数の和:1112161

約数の個数: 30

約数和(自身を含む): 1068770384

約数和(自身を除く): 623913184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1112143, 2224286, 4448572, 5560715, 8897144, 11121430, 17794288, 22242860, 27803575, 44485720, 55607150, 88971440, 111214300, 222428600, 444857200]

約数ペア:

[(1, 444857200), (2, 222428600), (4, 111214300), (5, 88971440), (8, 55607150), (10, 44485720), (16, 27803575), (20, 22242860), (25, 17794288), (40, 11121430), (50, 8897144), (80, 5560715), (100, 4448572), (200, 2224286), (400, 1112143)]