640441968

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{702239}}^1$

素因数の和:702269

約数の個数: 40

約数和(自身を含む): 1741555200

約数和(自身を除く): 1101113232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 702239, 1404478, 2106717, 2808956, 4213434, 5617912, 8426868, 11235824, 13342541, 16853736, 26685082, 33707472, 40027623, 53370164, 80055246, 106740328, 160110492, 213480656, 320220984, 640441968]

約数ペア:

[(1, 640441968), (2, 320220984), (3, 213480656), (4, 160110492), (6, 106740328), (8, 80055246), (12, 53370164), (16, 40027623), (19, 33707472), (24, 26685082), (38, 16853736), (48, 13342541), (57, 11235824), (76, 8426868), (114, 5617912), (152, 4213434), (228, 2808956), (304, 2106717), (456, 1404478), (912, 702239)]