200397968

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{90107}}^1$

素因数の和:90254

約数の個数: 20

約数和(自身を含む): 391068720

約数和(自身を除く): 190670752

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 90107, 180214, 360428, 720856, 1441712, 12524873, 25049746, 50099492, 100198984, 200397968]

約数ペア:

[(1, 200397968), (2, 100198984), (4, 50099492), (8, 25049746), (16, 12524873), (139, 1441712), (278, 720856), (556, 360428), (1112, 180214), (2224, 90107)]