8707720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 22654080

約数和(自身を除く): 13946360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 227, 274, 280, 454, 548, 685, 908, 959, 1096, 1135, 1370, 1589, 1816, 1918, 2270, 2740, 3178, 3836, 4540, 4795, 5480, 6356, 7672, 7945, 9080, 9590, 12712, 15890, 19180, 31099, 31780, 38360, 62198, 63560, 124396, 155495, 217693, 248792, 310990, 435386, 621980, 870772, 1088465, 1243960, 1741544, 2176930, 4353860, 8707720]

約数ペア:

[(1, 8707720), (2, 4353860), (4, 2176930), (5, 1741544), (7, 1243960), (8, 1088465), (10, 870772), (14, 621980), (20, 435386), (28, 310990), (35, 248792), (40, 217693), (56, 155495), (70, 124396), (137, 63560), (140, 62198), (227, 38360), (274, 31780), (280, 31099), (454, 19180), (548, 15890), (685, 12712), (908, 9590), (959, 9080), (1096, 7945), (1135, 7672), (1370, 6356), (1589, 5480), (1816, 4795), (1918, 4540), (2270, 3836), (2740, 3178)]