491899520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1861}}^1$

素因数の和:1946

約数の個数: 128

約数和(自身を含む): 1367452800

約数和(自身を除く): 875553280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 64, 70, 80, 112, 118, 128, 140, 160, 224, 236, 280, 295, 320, 413, 448, 472, 560, 590, 640, 826, 896, 944, 1120, 1180, 1652, 1861, 1888, 2065, 2240, 2360, 3304, 3722, 3776, 4130, 4480, 4720, 6608, 7444, 7552, 8260, 9305, 9440, 13027, 13216, 14888, 16520, 18610, 18880, 26054, 26432, 29776, 33040, 37220, 37760, 52108, 52864, 59552, 65135, 66080, 74440, 104216, 109799, 119104, 130270, 132160, 148880, 208432, 219598, 238208, 260540, 264320, 297760, 416864, 439196, 521080, 548995, 595520, 768593, 833728, 878392, 1042160, 1097990, 1191040, 1537186, 1667456, 1756784, 2084320, 2195980, 3074372, 3513568, 3842965, 4168640, 4391960, 6148744, 7027136, 7685930, 8337280, 8783920, 12297488, 14054272, 15371860, 17567840, 24594976, 30743720, 35135680, 49189952, 61487440, 70271360, 98379904, 122974880, 245949760, 491899520]

約数ペア:

[(1, 491899520), (2, 245949760), (4, 122974880), (5, 98379904), (7, 70271360), (8, 61487440), (10, 49189952), (14, 35135680), (16, 30743720), (20, 24594976), (28, 17567840), (32, 15371860), (35, 14054272), (40, 12297488), (56, 8783920), (59, 8337280), (64, 7685930), (70, 7027136), (80, 6148744), (112, 4391960), (118, 4168640), (128, 3842965), (140, 3513568), (160, 3074372), (224, 2195980), (236, 2084320), (280, 1756784), (295, 1667456), (320, 1537186), (413, 1191040), (448, 1097990), (472, 1042160), (560, 878392), (590, 833728), (640, 768593), (826, 595520), (896, 548995), (944, 521080), (1120, 439196), (1180, 416864), (1652, 297760), (1861, 264320), (1888, 260540), (2065, 238208), (2240, 219598), (2360, 208432), (3304, 148880), (3722, 132160), (3776, 130270), (4130, 119104), (4480, 109799), (4720, 104216), (6608, 74440), (7444, 66080), (7552, 65135), (8260, 59552), (9305, 52864), (9440, 52108), (13027, 37760), (13216, 37220), (14888, 33040), (16520, 29776), (18610, 26432), (18880, 26054)]