49401800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{71}}^2$

素因数の和:172

約数の個数: 108

約数和(自身を含む): 135520065

約数和(自身を除く): 86118265

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 71, 98, 100, 140, 142, 175, 196, 200, 245, 280, 284, 350, 355, 392, 490, 497, 568, 700, 710, 980, 994, 1225, 1400, 1420, 1775, 1960, 1988, 2450, 2485, 2840, 3479, 3550, 3976, 4900, 4970, 5041, 6958, 7100, 9800, 9940, 10082, 12425, 13916, 14200, 17395, 19880, 20164, 24850, 25205, 27832, 34790, 35287, 40328, 49700, 50410, 69580, 70574, 86975, 99400, 100820, 126025, 139160, 141148, 173950, 176435, 201640, 247009, 252050, 282296, 347900, 352870, 494018, 504100, 695800, 705740, 882175, 988036, 1008200, 1235045, 1411480, 1764350, 1976072, 2470090, 3528700, 4940180, 6175225, 7057400, 9880360, 12350450, 24700900, 49401800]

約数ペア:

[(1, 49401800), (2, 24700900), (4, 12350450), (5, 9880360), (7, 7057400), (8, 6175225), (10, 4940180), (14, 3528700), (20, 2470090), (25, 1976072), (28, 1764350), (35, 1411480), (40, 1235045), (49, 1008200), (50, 988036), (56, 882175), (70, 705740), (71, 695800), (98, 504100), (100, 494018), (140, 352870), (142, 347900), (175, 282296), (196, 252050), (200, 247009), (245, 201640), (280, 176435), (284, 173950), (350, 141148), (355, 139160), (392, 126025), (490, 100820), (497, 99400), (568, 86975), (700, 70574), (710, 69580), (980, 50410), (994, 49700), (1225, 40328), (1400, 35287), (1420, 34790), (1775, 27832), (1960, 25205), (1988, 24850), (2450, 20164), (2485, 19880), (2840, 17395), (3479, 14200), (3550, 13916), (3976, 12425), (4900, 10082), (4970, 9940), (5041, 9800), (6958, 7100)]