966636440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1999}}^1$

素因数の和:2185

約数の個数: 128

約数和(自身を含む): 2730240000

約数和(自身を除く): 1763603560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 157, 220, 280, 308, 314, 385, 440, 616, 628, 770, 785, 1099, 1256, 1540, 1570, 1727, 1999, 2198, 3080, 3140, 3454, 3998, 4396, 5495, 6280, 6908, 7996, 8635, 8792, 9995, 10990, 12089, 13816, 13993, 15992, 17270, 19990, 21980, 21989, 24178, 27986, 34540, 39980, 43960, 43978, 48356, 55972, 60445, 69080, 69965, 79960, 87956, 96712, 109945, 111944, 120890, 139930, 153923, 175912, 219890, 241780, 279860, 307846, 313843, 439780, 483560, 559720, 615692, 627686, 769615, 879560, 1231384, 1255372, 1539230, 1569215, 2196901, 2510744, 3078460, 3138430, 3452273, 4393802, 6156920, 6276860, 6904546, 8787604, 10984505, 12553720, 13809092, 17261365, 17575208, 21969010, 24165911, 27618184, 34522730, 43938020, 48331822, 69045460, 87876040, 96663644, 120829555, 138090920, 193327288, 241659110, 483318220, 966636440]

約数ペア:

[(1, 966636440), (2, 483318220), (4, 241659110), (5, 193327288), (7, 138090920), (8, 120829555), (10, 96663644), (11, 87876040), (14, 69045460), (20, 48331822), (22, 43938020), (28, 34522730), (35, 27618184), (40, 24165911), (44, 21969010), (55, 17575208), (56, 17261365), (70, 13809092), (77, 12553720), (88, 10984505), (110, 8787604), (140, 6904546), (154, 6276860), (157, 6156920), (220, 4393802), (280, 3452273), (308, 3138430), (314, 3078460), (385, 2510744), (440, 2196901), (616, 1569215), (628, 1539230), (770, 1255372), (785, 1231384), (1099, 879560), (1256, 769615), (1540, 627686), (1570, 615692), (1727, 559720), (1999, 483560), (2198, 439780), (3080, 313843), (3140, 307846), (3454, 279860), (3998, 241780), (4396, 219890), (5495, 175912), (6280, 153923), (6908, 139930), (7996, 120890), (8635, 111944), (8792, 109945), (9995, 96712), (10990, 87956), (12089, 79960), (13816, 69965), (13993, 69080), (15992, 60445), (17270, 55972), (19990, 48356), (21980, 43978), (21989, 43960), (24178, 39980), (27986, 34540)]