1680784

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 3819200

約数和(自身を除く): 2138416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 349, 602, 688, 698, 1204, 1396, 2408, 2443, 2792, 4816, 4886, 5584, 9772, 15007, 19544, 30014, 39088, 60028, 105049, 120056, 210098, 240112, 420196, 840392, 1680784]

約数ペア:

[(1, 1680784), (2, 840392), (4, 420196), (7, 240112), (8, 210098), (14, 120056), (16, 105049), (28, 60028), (43, 39088), (56, 30014), (86, 19544), (112, 15007), (172, 9772), (301, 5584), (344, 4886), (349, 4816), (602, 2792), (688, 2443), (698, 2408), (1204, 1396)]