90821771.000000000

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:942

約数の個数: 144

約数和(自身を含む): 1016440320

約数和(自身を除く): 623832832

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 152, 182, 208, 224, 247, 256, 266, 304, 364, 416, 448, 494, 532, 608, 728, 832, 887, 896, 988, 1064, 1216, 1456, 1664, 1729, 1774, 1792, 1976, 2128, 2432, 2912, 3328, 3458, 3548, 3952, 4256, 4864, 5824, 6209, 6916, 7096, 7904, 8512, 11531, 11648, 12418, 13832, 14192, 15808, 16853, 17024, 23062, 23296, 24836, 27664, 28384, 31616, 33706, 34048, 46124, 49672, 55328, 56768, 63232, 67412, 80717, 92248, 99344, 110656, 113536, 117971, 134824, 161434, 184496, 198688, 219089, 221312, 227072, 235942, 269648, 322868, 368992, 397376, 438178, 442624, 471884, 539296, 645736, 737984, 794752, 876356, 943768, 1078592, 1291472, 1475968, 1533623, 1589504, 1752712, 1887536, 2157184, 2582944, 2951936, 3067246, 3505424, 3775072, 4314368, 5165888, 6134492, 7010848, 7550144, 10331776, 12268984, 14021696, 15100288, 20663552, 24537968, 28043392, 30200576, 49075936, 56086784, 98151872, 196303744, 392607488]

約数ペア:

[(1, 392607488), (2, 196303744), (4, 98151872), (7, 56086784), (8, 49075936), (13, 30200576), (14, 28043392), (16, 24537968), (19, 20663552), (26, 15100288), (28, 14021696), (32, 12268984), (38, 10331776), (52, 7550144), (56, 7010848), (64, 6134492), (76, 5165888), (91, 4314368), (104, 3775072), (112, 3505424), (128, 3067246), (133, 2951936), (152, 2582944), (182, 2157184), (208, 1887536), (224, 1752712), (247, 1589504), (256, 1533623), (266, 1475968), (304, 1291472), (364, 1078592), (416, 943768), (448, 876356), (494, 794752), (532, 737984), (608, 645736), (728, 539296), (832, 471884), (887, 442624), (896, 438178), (988, 397376), (1064, 368992), (1216, 322868), (1456, 269648), (1664, 235942), (1729, 227072), (1774, 221312), (1792, 219089), (1976, 198688), (2128, 184496), (2432, 161434), (2912, 134824), (3328, 117971), (3458, 113536), (3548, 110656), (3952, 99344), (4256, 92248), (4864, 80717), (5824, 67412), (6209, 63232), (6916, 56768), (7096, 55328), (7904, 49672), (8512, 46124), (11531, 34048), (11648, 33706), (12418, 31616), (13832, 28384), (14192, 27664), (15808, 24836), (16853, 23296), (17024, 23062)]