208850500

素因数分解:

$2^2\times 5^3\times {\mathrm{199}}^1\times {\mathrm{2099}}^1$

素因数の和:2317

約数の個数: 48

約数和(自身を含む): 458640000

約数和(自身を除く): 249789500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 199, 250, 398, 500, 796, 995, 1990, 2099, 3980, 4198, 4975, 8396, 9950, 10495, 19900, 20990, 24875, 41980, 49750, 52475, 99500, 104950, 209900, 262375, 417701, 524750, 835402, 1049500, 1670804, 2088505, 4177010, 8354020, 10442525, 20885050, 41770100, 52212625, 104425250, 208850500]

約数ペア:

[(1, 208850500), (2, 104425250), (4, 52212625), (5, 41770100), (10, 20885050), (20, 10442525), (25, 8354020), (50, 4177010), (100, 2088505), (125, 1670804), (199, 1049500), (250, 835402), (398, 524750), (500, 417701), (796, 262375), (995, 209900), (1990, 104950), (2099, 99500), (3980, 52475), (4198, 49750), (4975, 41980), (8396, 24875), (9950, 20990), (10495, 19900)]