208764080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21929}}^1$

素因数の和:21966

約数の個数: 80

約数和(自身を含む): 587373120

約数和(自身を除く): 378609040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 21929, 43858, 87716, 109645, 153503, 175432, 219290, 307006, 350864, 372793, 438580, 614012, 745586, 767515, 877160, 1228024, 1491172, 1535030, 1754320, 1863965, 2456048, 2609551, 2982344, 3070060, 3727930, 5219102, 5964688, 6140120, 7455860, 10438204, 12280240, 13047755, 14911720, 20876408, 26095510, 29823440, 41752816, 52191020, 104382040, 208764080]

約数ペア:

[(1, 208764080), (2, 104382040), (4, 52191020), (5, 41752816), (7, 29823440), (8, 26095510), (10, 20876408), (14, 14911720), (16, 13047755), (17, 12280240), (20, 10438204), (28, 7455860), (34, 6140120), (35, 5964688), (40, 5219102), (56, 3727930), (68, 3070060), (70, 2982344), (80, 2609551), (85, 2456048), (112, 1863965), (119, 1754320), (136, 1535030), (140, 1491172), (170, 1228024), (238, 877160), (272, 767515), (280, 745586), (340, 614012), (476, 438580), (560, 372793), (595, 350864), (680, 307006), (952, 219290), (1190, 175432), (1360, 153503), (1904, 109645), (2380, 87716), (4760, 43858), (9520, 21929)]