3456280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 7892640

約数和(自身を除く): 4436360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1217, 1420, 2434, 2840, 4868, 6085, 9736, 12170, 24340, 48680, 86407, 172814, 345628, 432035, 691256, 864070, 1728140, 3456280]

約数ペア:

[(1, 3456280), (2, 1728140), (4, 864070), (5, 691256), (8, 432035), (10, 345628), (20, 172814), (40, 86407), (71, 48680), (142, 24340), (284, 12170), (355, 9736), (568, 6085), (710, 4868), (1217, 2840), (1420, 2434)]