2499280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4463}}^1$

素因数の和:4483

約数の個数: 40

約数和(自身を含む): 6642432

約数和(自身を除く): 4143152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4463, 8926, 17852, 22315, 31241, 35704, 44630, 62482, 71408, 89260, 124964, 156205, 178520, 249928, 312410, 357040, 499856, 624820, 1249640, 2499280]

約数ペア:

[(1, 2499280), (2, 1249640), (4, 624820), (5, 499856), (7, 357040), (8, 312410), (10, 249928), (14, 178520), (16, 156205), (20, 124964), (28, 89260), (35, 71408), (40, 62482), (56, 44630), (70, 35704), (80, 31241), (112, 22315), (140, 17852), (280, 8926), (560, 4463)]