8873410

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 20160000

約数和(自身を除く): 11286590

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 199, 245, 343, 398, 455, 490, 637, 686, 910, 995, 1274, 1393, 1715, 1990, 2587, 2786, 3185, 3430, 4459, 5174, 6370, 6965, 8918, 9751, 12935, 13930, 18109, 19502, 22295, 25870, 36218, 44590, 48755, 68257, 90545, 97510, 126763, 136514, 181090, 253526, 341285, 633815, 682570, 887341, 1267630, 1774682, 4436705, 8873410]

約数ペア:

[(1, 8873410), (2, 4436705), (5, 1774682), (7, 1267630), (10, 887341), (13, 682570), (14, 633815), (26, 341285), (35, 253526), (49, 181090), (65, 136514), (70, 126763), (91, 97510), (98, 90545), (130, 68257), (182, 48755), (199, 44590), (245, 36218), (343, 25870), (398, 22295), (455, 19502), (490, 18109), (637, 13930), (686, 12935), (910, 9751), (995, 8918), (1274, 6965), (1393, 6370), (1715, 5174), (1990, 4459), (2587, 3430), (2786, 3185)]