21578907200

素因数分解:

$2^6\times 5^2\times {\mathrm{197}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:749

約数の個数: 168

約数和(自身を含む): 53781057792

約数和(自身を除く): 32202150592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 197, 200, 223, 307, 320, 394, 400, 446, 614, 788, 800, 892, 985, 1115, 1228, 1535, 1576, 1600, 1784, 1970, 2230, 2456, 3070, 3152, 3568, 3940, 4460, 4912, 4925, 5575, 6140, 6304, 7136, 7675, 7880, 8920, 9824, 9850, 11150, 12280, 12608, 14272, 15350, 15760, 17840, 19648, 19700, 22300, 24560, 30700, 31520, 35680, 39400, 43931, 44600, 49120, 60479, 61400, 63040, 68461, 71360, 78800, 87862, 89200, 98240, 120958, 122800, 136922, 157600, 175724, 178400, 219655, 241916, 245600, 273844, 302395, 315200, 342305, 351448, 356800, 439310, 483832, 491200, 547688, 604790, 684610, 702896, 878620, 967664, 1095376, 1098275, 1209580, 1369220, 1405792, 1511975, 1711525, 1757240, 1935328, 2190752, 2196550, 2419160, 2738440, 2811584, 3023950, 3423050, 3514480, 3870656, 4381504, 4393100, 4838320, 5476880, 6047900, 6846100, 7028960, 8786200, 9676640, 10953760, 12095800, 13486817, 13692200, 14057920, 17572400, 19353280, 21907520, 24191600, 26973634, 27384400, 35144800, 48383200, 53947268, 54768800, 67434085, 70289600, 96766400, 107894536, 109537600, 134868170, 215789072, 269736340, 337170425, 431578144, 539472680, 674340850, 863156288, 1078945360, 1348681700, 2157890720, 2697363400, 4315781440, 5394726800, 10789453600, 21578907200]

約数ペア:

[(1, 21578907200), (2, 10789453600), (4, 5394726800), (5, 4315781440), (8, 2697363400), (10, 2157890720), (16, 1348681700), (20, 1078945360), (25, 863156288), (32, 674340850), (40, 539472680), (50, 431578144), (64, 337170425), (80, 269736340), (100, 215789072), (160, 134868170), (197, 109537600), (200, 107894536), (223, 96766400), (307, 70289600), (320, 67434085), (394, 54768800), (400, 53947268), (446, 48383200), (614, 35144800), (788, 27384400), (800, 26973634), (892, 24191600), (985, 21907520), (1115, 19353280), (1228, 17572400), (1535, 14057920), (1576, 13692200), (1600, 13486817), (1784, 12095800), (1970, 10953760), (2230, 9676640), (2456, 8786200), (3070, 7028960), (3152, 6846100), (3568, 6047900), (3940, 5476880), (4460, 4838320), (4912, 4393100), (4925, 4381504), (5575, 3870656), (6140, 3514480), (6304, 3423050), (7136, 3023950), (7675, 2811584), (7880, 2738440), (8920, 2419160), (9824, 2196550), (9850, 2190752), (11150, 1935328), (12280, 1757240), (12608, 1711525), (14272, 1511975), (15350, 1405792), (15760, 1369220), (17840, 1209580), (19648, 1098275), (19700, 1095376), (22300, 967664), (24560, 878620), (30700, 702896), (31520, 684610), (35680, 604790), (39400, 547688), (43931, 491200), (44600, 483832), (49120, 439310), (60479, 356800), (61400, 351448), (63040, 342305), (68461, 315200), (71360, 302395), (78800, 273844), (87862, 245600), (89200, 241916), (98240, 219655), (120958, 178400), (122800, 175724), (136922, 157600)]