2000998912

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 160

約数和(自身を含む): 4592991744

約数和(自身を除く): 2591992832

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 73, 88, 124, 128, 146, 157, 176, 248, 256, 292, 314, 341, 352, 496, 512, 584, 628, 682, 704, 803, 992, 1168, 1256, 1364, 1408, 1606, 1727, 1984, 2263, 2336, 2512, 2728, 2816, 3212, 3454, 3968, 4526, 4672, 4867, 5024, 5456, 5632, 6424, 6908, 7936, 9052, 9344, 9734, 10048, 10912, 11461, 12848, 13816, 15872, 18104, 18688, 19468, 20096, 21824, 22922, 24893, 25696, 27632, 36208, 37376, 38936, 40192, 43648, 45844, 49786, 51392, 53537, 55264, 72416, 77872, 80384, 87296, 91688, 99572, 102784, 107074, 110528, 126071, 144832, 155744, 174592, 183376, 199144, 205568, 214148, 221056, 252142, 289664, 311488, 355291, 366752, 398288, 411136, 428296, 442112, 504284, 579328, 622976, 710582, 733504, 796576, 856592, 884224, 1008568, 1158656, 1245952, 1421164, 1467008, 1593152, 1713184, 2017136, 2491904, 2842328, 2934016, 3186304, 3426368, 3908201, 4034272, 5684656, 5868032, 6372608, 6852736, 7816402, 8068544, 11369312, 12745216, 13705472, 15632804, 16137088, 22738624, 27410944, 31265608, 32274176, 45477248, 62531216, 64548352, 90954496, 125062432, 181908992, 250124864, 500249728, 1000499456, 2000998912]

約数ペア:

[(1, 2000998912), (2, 1000499456), (4, 500249728), (8, 250124864), (11, 181908992), (16, 125062432), (22, 90954496), (31, 64548352), (32, 62531216), (44, 45477248), (62, 32274176), (64, 31265608), (73, 27410944), (88, 22738624), (124, 16137088), (128, 15632804), (146, 13705472), (157, 12745216), (176, 11369312), (248, 8068544), (256, 7816402), (292, 6852736), (314, 6372608), (341, 5868032), (352, 5684656), (496, 4034272), (512, 3908201), (584, 3426368), (628, 3186304), (682, 2934016), (704, 2842328), (803, 2491904), (992, 2017136), (1168, 1713184), (1256, 1593152), (1364, 1467008), (1408, 1421164), (1606, 1245952), (1727, 1158656), (1984, 1008568), (2263, 884224), (2336, 856592), (2512, 796576), (2728, 733504), (2816, 710582), (3212, 622976), (3454, 579328), (3968, 504284), (4526, 442112), (4672, 428296), (4867, 411136), (5024, 398288), (5456, 366752), (5632, 355291), (6424, 311488), (6908, 289664), (7936, 252142), (9052, 221056), (9344, 214148), (9734, 205568), (10048, 199144), (10912, 183376), (11461, 174592), (12848, 155744), (13816, 144832), (15872, 126071), (18104, 110528), (18688, 107074), (19468, 102784), (20096, 99572), (21824, 91688), (22922, 87296), (24893, 80384), (25696, 77872), (27632, 72416), (36208, 55264), (37376, 53537), (38936, 51392), (40192, 49786), (43648, 45844)]