8210860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 19869696

約数和(自身を除く): 11658836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 263, 446, 526, 892, 1052, 1115, 1315, 1561, 1841, 2230, 2630, 3122, 3682, 4460, 5260, 6244, 7364, 7805, 9205, 15610, 18410, 31220, 36820, 58649, 117298, 234596, 293245, 410543, 586490, 821086, 1172980, 1642172, 2052715, 4105430, 8210860]

約数ペア:

[(1, 8210860), (2, 4105430), (4, 2052715), (5, 1642172), (7, 1172980), (10, 821086), (14, 586490), (20, 410543), (28, 293245), (35, 234596), (70, 117298), (140, 58649), (223, 36820), (263, 31220), (446, 18410), (526, 15610), (892, 9205), (1052, 7805), (1115, 7364), (1315, 6244), (1561, 5260), (1841, 4460), (2230, 3682), (2630, 3122)]