1914909760

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{947}}^1$

素因数の和:1124

約数の個数: 112

約数和(自身を含む): 4680996480

約数和(自身を除く): 2766086720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 89, 142, 160, 178, 284, 320, 355, 356, 445, 568, 710, 712, 890, 947, 1136, 1420, 1424, 1780, 1894, 2272, 2840, 2848, 3560, 3788, 4544, 4735, 5680, 5696, 6319, 7120, 7576, 9470, 11360, 12638, 14240, 15152, 18940, 22720, 25276, 28480, 30304, 31595, 37880, 50552, 60608, 63190, 67237, 75760, 84283, 101104, 126380, 134474, 151520, 168566, 202208, 252760, 268948, 303040, 336185, 337132, 404416, 421415, 505520, 537896, 672370, 674264, 842830, 1011040, 1075792, 1344740, 1348528, 1685660, 2022080, 2151584, 2689480, 2697056, 3371320, 4303168, 5378960, 5394112, 5984093, 6742640, 10757920, 11968186, 13485280, 21515840, 23936372, 26970560, 29920465, 47872744, 59840930, 95745488, 119681860, 191490976, 239363720, 382981952, 478727440, 957454880, 1914909760]

約数ペア:

[(1, 1914909760), (2, 957454880), (4, 478727440), (5, 382981952), (8, 239363720), (10, 191490976), (16, 119681860), (20, 95745488), (32, 59840930), (40, 47872744), (64, 29920465), (71, 26970560), (80, 23936372), (89, 21515840), (142, 13485280), (160, 11968186), (178, 10757920), (284, 6742640), (320, 5984093), (355, 5394112), (356, 5378960), (445, 4303168), (568, 3371320), (710, 2697056), (712, 2689480), (890, 2151584), (947, 2022080), (1136, 1685660), (1420, 1348528), (1424, 1344740), (1780, 1075792), (1894, 1011040), (2272, 842830), (2840, 674264), (2848, 672370), (3560, 537896), (3788, 505520), (4544, 421415), (4735, 404416), (5680, 337132), (5696, 336185), (6319, 303040), (7120, 268948), (7576, 252760), (9470, 202208), (11360, 168566), (12638, 151520), (14240, 134474), (15152, 126380), (18940, 101104), (22720, 84283), (25276, 75760), (28480, 67237), (30304, 63190), (31595, 60608), (37880, 50552)]