8880340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 21514752

約数和(自身を除く): 12634412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 463, 548, 685, 926, 959, 1370, 1852, 1918, 2315, 2740, 3241, 3836, 4630, 4795, 6482, 9260, 9590, 12964, 16205, 19180, 32410, 63431, 64820, 126862, 253724, 317155, 444017, 634310, 888034, 1268620, 1776068, 2220085, 4440170, 8880340]

約数ペア:

[(1, 8880340), (2, 4440170), (4, 2220085), (5, 1776068), (7, 1268620), (10, 888034), (14, 634310), (20, 444017), (28, 317155), (35, 253724), (70, 126862), (137, 64820), (140, 63431), (274, 32410), (463, 19180), (548, 16205), (685, 12964), (926, 9590), (959, 9260), (1370, 6482), (1852, 4795), (1918, 4630), (2315, 3836), (2740, 3241)]