2980021000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1949}}^1$

素因数の和:2120

約数の個数: 128

約数和(自身を含む): 7665840000

約数和(自身を除く): 4685819000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 139, 200, 220, 250, 275, 278, 440, 500, 550, 556, 695, 1000, 1100, 1112, 1375, 1390, 1529, 1949, 2200, 2750, 2780, 3058, 3475, 3898, 5500, 5560, 6116, 6950, 7645, 7796, 9745, 11000, 12232, 13900, 15290, 15592, 17375, 19490, 21439, 27800, 30580, 34750, 38225, 38980, 42878, 48725, 61160, 69500, 76450, 77960, 85756, 97450, 107195, 139000, 152900, 171512, 191125, 194900, 214390, 243625, 270911, 305800, 382250, 389800, 428780, 487250, 535975, 541822, 764500, 857560, 974500, 1071950, 1083644, 1354555, 1529000, 1949000, 2143900, 2167288, 2679875, 2709110, 2980021, 4287800, 5359750, 5418220, 5960042, 6772775, 10719500, 10836440, 11920084, 13545550, 14900105, 21439000, 23840168, 27091100, 29800210, 33863875, 54182200, 59600420, 67727750, 74500525, 119200840, 135455500, 149001050, 270911000, 298002100, 372502625, 596004200, 745005250, 1490010500, 2980021000]

約数ペア:

[(1, 2980021000), (2, 1490010500), (4, 745005250), (5, 596004200), (8, 372502625), (10, 298002100), (11, 270911000), (20, 149001050), (22, 135455500), (25, 119200840), (40, 74500525), (44, 67727750), (50, 59600420), (55, 54182200), (88, 33863875), (100, 29800210), (110, 27091100), (125, 23840168), (139, 21439000), (200, 14900105), (220, 13545550), (250, 11920084), (275, 10836440), (278, 10719500), (440, 6772775), (500, 5960042), (550, 5418220), (556, 5359750), (695, 4287800), (1000, 2980021), (1100, 2709110), (1112, 2679875), (1375, 2167288), (1390, 2143900), (1529, 1949000), (1949, 1529000), (2200, 1354555), (2750, 1083644), (2780, 1071950), (3058, 974500), (3475, 857560), (3898, 764500), (5500, 541822), (5560, 535975), (6116, 487250), (6950, 428780), (7645, 389800), (7796, 382250), (9745, 305800), (11000, 270911), (12232, 243625), (13900, 214390), (15290, 194900), (15592, 191125), (17375, 171512), (19490, 152900), (21439, 139000), (27800, 107195), (30580, 97450), (34750, 85756), (38225, 77960), (38980, 76450), (42878, 69500), (48725, 61160)]