1223138840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2857}}^1$

素因数の和:3025

約数の個数: 128

約数和(自身を含む): 3457036800

約数和(自身を除く): 2233897960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 139, 140, 154, 220, 278, 280, 308, 385, 440, 556, 616, 695, 770, 973, 1112, 1390, 1529, 1540, 1946, 2780, 2857, 3058, 3080, 3892, 4865, 5560, 5714, 6116, 7645, 7784, 9730, 10703, 11428, 12232, 14285, 15290, 19460, 19999, 21406, 22856, 28570, 30580, 31427, 38920, 39998, 42812, 53515, 57140, 61160, 62854, 79996, 85624, 99995, 107030, 114280, 125708, 157135, 159992, 199990, 214060, 219989, 251416, 314270, 397123, 399980, 428120, 439978, 628540, 794246, 799960, 879956, 1099945, 1257080, 1588492, 1759912, 1985615, 2199890, 2779861, 3176984, 3971230, 4368353, 4399780, 5559722, 7942460, 8736706, 8799560, 11119444, 13899305, 15884920, 17473412, 21841765, 22238888, 27798610, 30578471, 34946824, 43683530, 55597220, 61156942, 87367060, 111194440, 122313884, 152892355, 174734120, 244627768, 305784710, 611569420, 1223138840]

約数ペア:

[(1, 1223138840), (2, 611569420), (4, 305784710), (5, 244627768), (7, 174734120), (8, 152892355), (10, 122313884), (11, 111194440), (14, 87367060), (20, 61156942), (22, 55597220), (28, 43683530), (35, 34946824), (40, 30578471), (44, 27798610), (55, 22238888), (56, 21841765), (70, 17473412), (77, 15884920), (88, 13899305), (110, 11119444), (139, 8799560), (140, 8736706), (154, 7942460), (220, 5559722), (278, 4399780), (280, 4368353), (308, 3971230), (385, 3176984), (440, 2779861), (556, 2199890), (616, 1985615), (695, 1759912), (770, 1588492), (973, 1257080), (1112, 1099945), (1390, 879956), (1529, 799960), (1540, 794246), (1946, 628540), (2780, 439978), (2857, 428120), (3058, 399980), (3080, 397123), (3892, 314270), (4865, 251416), (5560, 219989), (5714, 214060), (6116, 199990), (7645, 159992), (7784, 157135), (9730, 125708), (10703, 114280), (11428, 107030), (12232, 99995), (14285, 85624), (15290, 79996), (19460, 62854), (19999, 61160), (21406, 57140), (22856, 53515), (28570, 42812), (30580, 39998), (31427, 38920)]