1990302590

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{734429}}^1$

素因数の和:734707

約数の個数: 16

約数和(自身を含む): 3595769280

約数和(自身を除く): 1605466690

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 734429, 1468858, 3672145, 7344290, 199030259, 398060518, 995151295, 1990302590]

約数ペア:

[(1, 1990302590), (2, 995151295), (5, 398060518), (10, 199030259), (271, 7344290), (542, 3672145), (1355, 1468858), (2710, 734429)]