290420590

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{367621}}^1$

素因数の和:367707

約数の個数: 16

約数和(自身を含む): 529375680

約数和(自身を除く): 238955090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 367621, 735242, 1838105, 3676210, 29042059, 58084118, 145210295, 290420590]

約数ペア:

[(1, 290420590), (2, 145210295), (5, 58084118), (10, 29042059), (79, 3676210), (158, 1838105), (395, 735242), (790, 367621)]