207857720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:565

約数の個数: 128

約数和(自身を含む): 570240000

約数和(自身を除く): 362382280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 89, 95, 133, 140, 152, 178, 190, 266, 280, 356, 380, 439, 445, 532, 623, 665, 712, 760, 878, 890, 1064, 1246, 1330, 1691, 1756, 1780, 2195, 2492, 2660, 3073, 3115, 3382, 3512, 3560, 4390, 4984, 5320, 6146, 6230, 6764, 8341, 8455, 8780, 11837, 12292, 12460, 13528, 15365, 16682, 16910, 17560, 23674, 24584, 24920, 30730, 33364, 33820, 39071, 41705, 47348, 58387, 59185, 61460, 66728, 67640, 78142, 83410, 94696, 116774, 118370, 122920, 156284, 166820, 195355, 233548, 236740, 273497, 291935, 312568, 333640, 390710, 467096, 473480, 546994, 583870, 742349, 781420, 1093988, 1167740, 1367485, 1484698, 1562840, 2187976, 2335480, 2734970, 2969396, 3711745, 5196443, 5469940, 5938792, 7423490, 10392886, 10939880, 14846980, 20785772, 25982215, 29693960, 41571544, 51964430, 103928860, 207857720]

約数ペア:

[(1, 207857720), (2, 103928860), (4, 51964430), (5, 41571544), (7, 29693960), (8, 25982215), (10, 20785772), (14, 14846980), (19, 10939880), (20, 10392886), (28, 7423490), (35, 5938792), (38, 5469940), (40, 5196443), (56, 3711745), (70, 2969396), (76, 2734970), (89, 2335480), (95, 2187976), (133, 1562840), (140, 1484698), (152, 1367485), (178, 1167740), (190, 1093988), (266, 781420), (280, 742349), (356, 583870), (380, 546994), (439, 473480), (445, 467096), (532, 390710), (623, 333640), (665, 312568), (712, 291935), (760, 273497), (878, 236740), (890, 233548), (1064, 195355), (1246, 166820), (1330, 156284), (1691, 122920), (1756, 118370), (1780, 116774), (2195, 94696), (2492, 83410), (2660, 78142), (3073, 67640), (3115, 66728), (3382, 61460), (3512, 59185), (3560, 58387), (4390, 47348), (4984, 41705), (5320, 39071), (6146, 33820), (6230, 33364), (6764, 30730), (8341, 24920), (8455, 24584), (8780, 23674), (11837, 17560), (12292, 16910), (12460, 16682), (13528, 15365)]