2492890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:2897

約数の個数: 16

約数和(自身を含む): 4539240

約数和(自身を除く): 2046350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2801, 5602, 14005, 28010, 249289, 498578, 1246445, 2492890]

約数ペア:

[(1, 2492890), (2, 1246445), (5, 498578), (10, 249289), (89, 28010), (178, 14005), (445, 5602), (890, 2801)]