208021120

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17107}}^1$

素因数の和:17145

約数の個数: 64

約数和(自身を含む): 523504800

約数和(自身を除く): 315483680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 17107, 34214, 68428, 85535, 136856, 171070, 273712, 325033, 342140, 547424, 650066, 684280, 1094848, 1300132, 1368560, 1625165, 2189696, 2600264, 2737120, 3250330, 5200528, 5474240, 6500660, 10401056, 10948480, 13001320, 20802112, 26002640, 41604224, 52005280, 104010560, 208021120]

約数ペア:

[(1, 208021120), (2, 104010560), (4, 52005280), (5, 41604224), (8, 26002640), (10, 20802112), (16, 13001320), (19, 10948480), (20, 10401056), (32, 6500660), (38, 5474240), (40, 5200528), (64, 3250330), (76, 2737120), (80, 2600264), (95, 2189696), (128, 1625165), (152, 1368560), (160, 1300132), (190, 1094848), (304, 684280), (320, 650066), (380, 547424), (608, 342140), (640, 325033), (760, 273712), (1216, 171070), (1520, 136856), (2432, 85535), (3040, 68428), (6080, 34214), (12160, 17107)]