489250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 973440

約数和(自身を除く): 484190

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 103, 125, 190, 206, 250, 475, 515, 950, 1030, 1957, 2375, 2575, 3914, 4750, 5150, 9785, 12875, 19570, 25750, 48925, 97850, 244625, 489250]

約数ペア:

[(1, 489250), (2, 244625), (5, 97850), (10, 48925), (19, 25750), (25, 19570), (38, 12875), (50, 9785), (95, 5150), (103, 4750), (125, 3914), (190, 2575), (206, 2375), (250, 1957), (475, 1030), (515, 950)]