1900450

素因数分解:

$2^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 24

約数和(自身を含む): 3571200

約数和(自身を除く): 1670750

約数列:

[1, 2, 5, 10, 25, 50, 191, 199, 382, 398, 955, 995, 1910, 1990, 4775, 4975, 9550, 9950, 38009, 76018, 190045, 380090, 950225, 1900450]

約数ペア:

[(1, 1900450), (2, 950225), (5, 380090), (10, 190045), (25, 76018), (50, 38009), (191, 9950), (199, 9550), (382, 4975), (398, 4775), (955, 1990), (995, 1910)]