280362236

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21169}}^1$

素因数の和:21234

約数の個数: 48

約数和(自身を含む): 625954560

約数和(自身を除く): 345592324

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 154, 172, 301, 308, 473, 602, 946, 1204, 1892, 3311, 6622, 13244, 21169, 42338, 84676, 148183, 232859, 296366, 465718, 592732, 910267, 931436, 1630013, 1820534, 3260026, 3641068, 6371869, 6520052, 10012937, 12743738, 20025874, 25487476, 40051748, 70090559, 140181118, 280362236]

約数ペア:

[(1, 280362236), (2, 140181118), (4, 70090559), (7, 40051748), (11, 25487476), (14, 20025874), (22, 12743738), (28, 10012937), (43, 6520052), (44, 6371869), (77, 3641068), (86, 3260026), (154, 1820534), (172, 1630013), (301, 931436), (308, 910267), (473, 592732), (602, 465718), (946, 296366), (1204, 232859), (1892, 148183), (3311, 84676), (6622, 42338), (13244, 21169)]