1019800

素因数分解:

$2^3\times 5^2\times {\mathrm{5099}}^1$

素因数の和:5115

約数の個数: 24

約数和(自身を含む): 2371500

約数和(自身を除く): 1351700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 5099, 10198, 20396, 25495, 40792, 50990, 101980, 127475, 203960, 254950, 509900, 1019800]

約数ペア:

[(1, 1019800), (2, 509900), (4, 254950), (5, 203960), (8, 127475), (10, 101980), (20, 50990), (25, 40792), (40, 25495), (50, 20396), (100, 10198), (200, 5099)]