279171130

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 590400000

約数和(自身を除く): 311228870

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 199, 245, 343, 398, 409, 490, 686, 818, 995, 1393, 1715, 1990, 2045, 2786, 2863, 3430, 4090, 5726, 6965, 9751, 13930, 14315, 19502, 20041, 28630, 40082, 48755, 68257, 81391, 97510, 100205, 136514, 140287, 162782, 200410, 280574, 341285, 406955, 569737, 682570, 701435, 813910, 1139474, 1402870, 2848685, 3988159, 5697370, 7976318, 19940795, 27917113, 39881590, 55834226, 139585565, 279171130]

約数ペア:

[(1, 279171130), (2, 139585565), (5, 55834226), (7, 39881590), (10, 27917113), (14, 19940795), (35, 7976318), (49, 5697370), (70, 3988159), (98, 2848685), (199, 1402870), (245, 1139474), (343, 813910), (398, 701435), (409, 682570), (490, 569737), (686, 406955), (818, 341285), (995, 280574), (1393, 200410), (1715, 162782), (1990, 140287), (2045, 136514), (2786, 100205), (2863, 97510), (3430, 81391), (4090, 68257), (5726, 48755), (6965, 40082), (9751, 28630), (13930, 20041), (14315, 19502)]