217708480

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:642

約数の個数: 112

約数和(自身を含む): 571170816

約数和(自身を除く): 353462336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 127, 160, 176, 220, 254, 320, 352, 440, 487, 508, 635, 704, 880, 974, 1016, 1270, 1397, 1760, 1948, 2032, 2435, 2540, 2794, 3520, 3896, 4064, 4870, 5080, 5357, 5588, 6985, 7792, 8128, 9740, 10160, 10714, 11176, 13970, 15584, 19480, 20320, 21428, 22352, 26785, 27940, 31168, 38960, 40640, 42856, 44704, 53570, 55880, 61849, 77920, 85712, 89408, 107140, 111760, 123698, 155840, 171424, 214280, 223520, 247396, 309245, 342848, 428560, 447040, 494792, 618490, 680339, 857120, 989584, 1236980, 1360678, 1714240, 1979168, 2473960, 2721356, 3401695, 3958336, 4947920, 5442712, 6803390, 9895840, 10885424, 13606780, 19791680, 21770848, 27213560, 43541696, 54427120, 108854240, 217708480]

約数ペア:

[(1, 217708480), (2, 108854240), (4, 54427120), (5, 43541696), (8, 27213560), (10, 21770848), (11, 19791680), (16, 13606780), (20, 10885424), (22, 9895840), (32, 6803390), (40, 5442712), (44, 4947920), (55, 3958336), (64, 3401695), (80, 2721356), (88, 2473960), (110, 1979168), (127, 1714240), (160, 1360678), (176, 1236980), (220, 989584), (254, 857120), (320, 680339), (352, 618490), (440, 494792), (487, 447040), (508, 428560), (635, 342848), (704, 309245), (880, 247396), (974, 223520), (1016, 214280), (1270, 171424), (1397, 155840), (1760, 123698), (1948, 111760), (2032, 107140), (2435, 89408), (2540, 85712), (2794, 77920), (3520, 61849), (3896, 55880), (4064, 53570), (4870, 44704), (5080, 42856), (5357, 40640), (5588, 38960), (6985, 31168), (7792, 27940), (8128, 26785), (9740, 22352), (10160, 21428), (10714, 20320), (11176, 19480), (13970, 15584)]