1293500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 3057600

約数和(自身を除く): 1764100

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 199, 250, 260, 325, 398, 500, 650, 796, 995, 1300, 1625, 1990, 2587, 3250, 3980, 4975, 5174, 6500, 9950, 10348, 12935, 19900, 24875, 25870, 49750, 51740, 64675, 99500, 129350, 258700, 323375, 646750, 1293500]

約数ペア:

[(1, 1293500), (2, 646750), (4, 323375), (5, 258700), (10, 129350), (13, 99500), (20, 64675), (25, 51740), (26, 49750), (50, 25870), (52, 24875), (65, 19900), (100, 12935), (125, 10348), (130, 9950), (199, 6500), (250, 5174), (260, 4975), (325, 3980), (398, 3250), (500, 2587), (650, 1990), (796, 1625), (995, 1300)]