420957008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1384727}}^1$

素因数の和:1384754

約数の個数: 20

約数和(自身を含む): 858531360

約数和(自身を除く): 437574352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1384727, 2769454, 5538908, 11077816, 22155632, 26309813, 52619626, 105239252, 210478504, 420957008]

約数ペア:

[(1, 420957008), (2, 210478504), (4, 105239252), (8, 52619626), (16, 26309813), (19, 22155632), (38, 11077816), (76, 5538908), (152, 2769454), (304, 1384727)]