8765260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 21236544

約数和(自身を除く): 12471284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 457, 548, 685, 914, 959, 1370, 1828, 1918, 2285, 2740, 3199, 3836, 4570, 4795, 6398, 9140, 9590, 12796, 15995, 19180, 31990, 62609, 63980, 125218, 250436, 313045, 438263, 626090, 876526, 1252180, 1753052, 2191315, 4382630, 8765260]

約数ペア:

[(1, 8765260), (2, 4382630), (4, 2191315), (5, 1753052), (7, 1252180), (10, 876526), (14, 626090), (20, 438263), (28, 313045), (35, 250436), (70, 125218), (137, 63980), (140, 62609), (274, 31990), (457, 19180), (548, 15995), (685, 12796), (914, 9590), (959, 9140), (1370, 6398), (1828, 4795), (1918, 4570), (2285, 3836), (2740, 3199)]