2490490

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{919}}^1$

素因数の和:1197

約数の個数: 16

約数和(自身を含む): 4504320

約数和(自身を除く): 2013830

約数列:

[1, 2, 5, 10, 271, 542, 919, 1355, 1838, 2710, 4595, 9190, 249049, 498098, 1245245, 2490490]

約数ペア:

[(1, 2490490), (2, 1245245), (5, 498098), (10, 249049), (271, 9190), (542, 4595), (919, 2710), (1355, 1838)]