9800750

素因数分解:

$2^1\times 5^3\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 18532800

約数和(自身を除く): 8732050

約数列:

[1, 2, 5, 10, 25, 50, 125, 197, 199, 250, 394, 398, 985, 995, 1970, 1990, 4925, 4975, 9850, 9950, 24625, 24875, 39203, 49250, 49750, 78406, 196015, 392030, 980075, 1960150, 4900375, 9800750]

約数ペア:

[(1, 9800750), (2, 4900375), (5, 1960150), (10, 980075), (25, 392030), (50, 196015), (125, 78406), (197, 49750), (199, 49250), (250, 39203), (394, 24875), (398, 24625), (985, 9950), (995, 9850), (1970, 4975), (1990, 4925)]