206903680

素因数分解:

$2^7\times 5^1\times {\mathrm{379}}^1\times {\mathrm{853}}^1$

素因数の和:1251

約数の個数: 64

約数和(自身を含む): 496515600

約数和(自身を除く): 289611920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 379, 640, 758, 853, 1516, 1706, 1895, 3032, 3412, 3790, 4265, 6064, 6824, 7580, 8530, 12128, 13648, 15160, 17060, 24256, 27296, 30320, 34120, 48512, 54592, 60640, 68240, 109184, 121280, 136480, 242560, 272960, 323287, 545920, 646574, 1293148, 1616435, 2586296, 3232870, 5172592, 6465740, 10345184, 12931480, 20690368, 25862960, 41380736, 51725920, 103451840, 206903680]

約数ペア:

[(1, 206903680), (2, 103451840), (4, 51725920), (5, 41380736), (8, 25862960), (10, 20690368), (16, 12931480), (20, 10345184), (32, 6465740), (40, 5172592), (64, 3232870), (80, 2586296), (128, 1616435), (160, 1293148), (320, 646574), (379, 545920), (640, 323287), (758, 272960), (853, 242560), (1516, 136480), (1706, 121280), (1895, 109184), (3032, 68240), (3412, 60640), (3790, 54592), (4265, 48512), (6064, 34120), (6824, 30320), (7580, 27296), (8530, 24256), (12128, 17060), (13648, 15160)]