208065250

素因数分解:

$2^1\times 5^3\times {\mathrm{431}}^1\times {\mathrm{1931}}^1$

素因数の和:2379

約数の個数: 32

約数和(自身を含む): 390604032

約数和(自身を除く): 182538782

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 431, 862, 1931, 2155, 3862, 4310, 9655, 10775, 19310, 21550, 48275, 53875, 96550, 107750, 241375, 482750, 832261, 1664522, 4161305, 8322610, 20806525, 41613050, 104032625, 208065250]

約数ペア:

[(1, 208065250), (2, 104032625), (5, 41613050), (10, 20806525), (25, 8322610), (50, 4161305), (125, 1664522), (250, 832261), (431, 482750), (862, 241375), (1931, 107750), (2155, 96550), (3862, 53875), (4310, 48275), (9655, 21550), (10775, 19310)]