870833920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 2298175488

約数和(自身を除く): 1427341568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 127, 128, 160, 176, 220, 254, 256, 320, 352, 440, 487, 508, 635, 640, 704, 880, 974, 1016, 1270, 1280, 1397, 1408, 1760, 1948, 2032, 2435, 2540, 2794, 2816, 3520, 3896, 4064, 4870, 5080, 5357, 5588, 6985, 7040, 7792, 8128, 9740, 10160, 10714, 11176, 13970, 14080, 15584, 16256, 19480, 20320, 21428, 22352, 26785, 27940, 31168, 32512, 38960, 40640, 42856, 44704, 53570, 55880, 61849, 62336, 77920, 81280, 85712, 89408, 107140, 111760, 123698, 124672, 155840, 162560, 171424, 178816, 214280, 223520, 247396, 309245, 311680, 342848, 357632, 428560, 447040, 494792, 618490, 623360, 680339, 685696, 857120, 894080, 989584, 1236980, 1360678, 1371392, 1714240, 1788160, 1979168, 2473960, 2721356, 3401695, 3428480, 3958336, 4947920, 5442712, 6803390, 6856960, 7916672, 9895840, 10885424, 13606780, 15833344, 19791680, 21770848, 27213560, 39583360, 43541696, 54427120, 79166720, 87083392, 108854240, 174166784, 217708480, 435416960, 870833920]

約数ペア:

[(1, 870833920), (2, 435416960), (4, 217708480), (5, 174166784), (8, 108854240), (10, 87083392), (11, 79166720), (16, 54427120), (20, 43541696), (22, 39583360), (32, 27213560), (40, 21770848), (44, 19791680), (55, 15833344), (64, 13606780), (80, 10885424), (88, 9895840), (110, 7916672), (127, 6856960), (128, 6803390), (160, 5442712), (176, 4947920), (220, 3958336), (254, 3428480), (256, 3401695), (320, 2721356), (352, 2473960), (440, 1979168), (487, 1788160), (508, 1714240), (635, 1371392), (640, 1360678), (704, 1236980), (880, 989584), (974, 894080), (1016, 857120), (1270, 685696), (1280, 680339), (1397, 623360), (1408, 618490), (1760, 494792), (1948, 447040), (2032, 428560), (2435, 357632), (2540, 342848), (2794, 311680), (2816, 309245), (3520, 247396), (3896, 223520), (4064, 214280), (4870, 178816), (5080, 171424), (5357, 162560), (5588, 155840), (6985, 124672), (7040, 123698), (7792, 111760), (8128, 107140), (9740, 89408), (10160, 85712), (10714, 81280), (11176, 77920), (13970, 62336), (14080, 61849), (15584, 55880), (16256, 53570), (19480, 44704), (20320, 42856), (21428, 40640), (22352, 38960), (26785, 32512), (27940, 31168)]