168995500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{17789}}^1$

素因数の和:17827

約数の個数: 48

約数和(自身を含む): 388533600

約数和(自身を除く): 219538100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 17789, 35578, 71156, 88945, 177890, 337991, 355780, 444725, 675982, 889450, 1351964, 1689955, 1778900, 2223625, 3379910, 4447250, 6759820, 8449775, 8894500, 16899550, 33799100, 42248875, 84497750, 168995500]

約数ペア:

[(1, 168995500), (2, 84497750), (4, 42248875), (5, 33799100), (10, 16899550), (19, 8894500), (20, 8449775), (25, 6759820), (38, 4447250), (50, 3379910), (76, 2223625), (95, 1778900), (100, 1689955), (125, 1351964), (190, 889450), (250, 675982), (380, 444725), (475, 355780), (500, 337991), (950, 177890), (1900, 88945), (2375, 71156), (4750, 35578), (9500, 17789)]