848367640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{6947}}^1$

素因数の和:7072

約数の個数: 64

約数和(自身を含む): 1981013760

約数和(自身を除く): 1132646120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 568, 710, 860, 1420, 1720, 2840, 3053, 6106, 6947, 12212, 13894, 15265, 24424, 27788, 30530, 34735, 55576, 61060, 69470, 122120, 138940, 277880, 298721, 493237, 597442, 986474, 1194884, 1493605, 1972948, 2389768, 2466185, 2987210, 3945896, 4932370, 5974420, 9864740, 11948840, 19729480, 21209191, 42418382, 84836764, 106045955, 169673528, 212091910, 424183820, 848367640]

約数ペア:

[(1, 848367640), (2, 424183820), (4, 212091910), (5, 169673528), (8, 106045955), (10, 84836764), (20, 42418382), (40, 21209191), (43, 19729480), (71, 11948840), (86, 9864740), (142, 5974420), (172, 4932370), (215, 3945896), (284, 2987210), (344, 2466185), (355, 2389768), (430, 1972948), (568, 1493605), (710, 1194884), (860, 986474), (1420, 597442), (1720, 493237), (2840, 298721), (3053, 277880), (6106, 138940), (6947, 122120), (12212, 69470), (13894, 61060), (15265, 55576), (24424, 34735), (27788, 30530)]