1990301376

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1901}}^1$

素因数の和:1983

約数の個数: 224

約数和(自身を含む): 6492971520

約数和(自身を除く): 4502670144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 41, 42, 48, 56, 57, 64, 76, 82, 84, 96, 112, 114, 123, 133, 152, 164, 168, 192, 224, 228, 246, 266, 287, 304, 328, 336, 399, 448, 456, 492, 532, 574, 608, 656, 672, 779, 798, 861, 912, 984, 1064, 1148, 1216, 1312, 1344, 1558, 1596, 1722, 1824, 1901, 1968, 2128, 2296, 2337, 2624, 3116, 3192, 3444, 3648, 3802, 3936, 4256, 4592, 4674, 5453, 5703, 6232, 6384, 6888, 7604, 7872, 8512, 9184, 9348, 10906, 11406, 12464, 12768, 13307, 13776, 15208, 16359, 18368, 18696, 21812, 22812, 24928, 25536, 26614, 27552, 30416, 32718, 36119, 37392, 39921, 43624, 45624, 49856, 53228, 55104, 60832, 65436, 72238, 74784, 77941, 79842, 87248, 91248, 106456, 108357, 121664, 130872, 144476, 149568, 155882, 159684, 174496, 182496, 212912, 216714, 233823, 252833, 261744, 288952, 311764, 319368, 348992, 364992, 425824, 433428, 467646, 505666, 523488, 545587, 577904, 623528, 638736, 758499, 851648, 866856, 935292, 1011332, 1046976, 1091174, 1155808, 1247056, 1277472, 1480879, 1516998, 1636761, 1733712, 1870584, 2022664, 2182348, 2311616, 2494112, 2554944, 2961758, 3033996, 3273522, 3467424, 3741168, 4045328, 4364696, 4442637, 4988224, 5923516, 6067992, 6547044, 6934848, 7482336, 8090656, 8729392, 8885274, 10366153, 11847032, 12135984, 13094088, 14964672, 16181312, 17458784, 17770548, 20732306, 23694064, 24271968, 26188176, 31098459, 34917568, 35541096, 41464612, 47388128, 48543936, 52376352, 62196918, 71082192, 82929224, 94776256, 104752704, 124393836, 142164384, 165858448, 248787672, 284328768, 331716896, 497575344, 663433792, 995150688, 1990301376]

約数ペア:

[(1, 1990301376), (2, 995150688), (3, 663433792), (4, 497575344), (6, 331716896), (7, 284328768), (8, 248787672), (12, 165858448), (14, 142164384), (16, 124393836), (19, 104752704), (21, 94776256), (24, 82929224), (28, 71082192), (32, 62196918), (38, 52376352), (41, 48543936), (42, 47388128), (48, 41464612), (56, 35541096), (57, 34917568), (64, 31098459), (76, 26188176), (82, 24271968), (84, 23694064), (96, 20732306), (112, 17770548), (114, 17458784), (123, 16181312), (133, 14964672), (152, 13094088), (164, 12135984), (168, 11847032), (192, 10366153), (224, 8885274), (228, 8729392), (246, 8090656), (266, 7482336), (287, 6934848), (304, 6547044), (328, 6067992), (336, 5923516), (399, 4988224), (448, 4442637), (456, 4364696), (492, 4045328), (532, 3741168), (574, 3467424), (608, 3273522), (656, 3033996), (672, 2961758), (779, 2554944), (798, 2494112), (861, 2311616), (912, 2182348), (984, 2022664), (1064, 1870584), (1148, 1733712), (1216, 1636761), (1312, 1516998), (1344, 1480879), (1558, 1277472), (1596, 1247056), (1722, 1155808), (1824, 1091174), (1901, 1046976), (1968, 1011332), (2128, 935292), (2296, 866856), (2337, 851648), (2624, 758499), (3116, 638736), (3192, 623528), (3444, 577904), (3648, 545587), (3802, 523488), (3936, 505666), (4256, 467646), (4592, 433428), (4674, 425824), (5453, 364992), (5703, 348992), (6232, 319368), (6384, 311764), (6888, 288952), (7604, 261744), (7872, 252833), (8512, 233823), (9184, 216714), (9348, 212912), (10906, 182496), (11406, 174496), (12464, 159684), (12768, 155882), (13307, 149568), (13776, 144476), (15208, 130872), (16359, 121664), (18368, 108357), (18696, 106456), (21812, 91248), (22812, 87248), (24928, 79842), (25536, 77941), (26614, 74784), (27552, 72238), (30416, 65436), (32718, 60832), (36119, 55104), (37392, 53228), (39921, 49856), (43624, 45624)]