280307456

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 216

約数和(自身を含む): 718179840

約数和(自身を除く): 437872384

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 31, 32, 38, 44, 52, 62, 64, 76, 88, 104, 124, 128, 143, 152, 169, 176, 208, 209, 247, 248, 256, 286, 304, 338, 341, 352, 403, 416, 418, 494, 496, 572, 589, 608, 676, 682, 704, 806, 832, 836, 988, 992, 1144, 1178, 1216, 1352, 1364, 1408, 1612, 1664, 1672, 1859, 1976, 1984, 2288, 2356, 2432, 2704, 2717, 2728, 2816, 3211, 3224, 3328, 3344, 3718, 3952, 3968, 4433, 4576, 4712, 4864, 5239, 5408, 5434, 5456, 6422, 6448, 6479, 6688, 7436, 7657, 7904, 7936, 8866, 9152, 9424, 10478, 10816, 10868, 10912, 12844, 12896, 12958, 13376, 14872, 15314, 15808, 17732, 18304, 18848, 20956, 21632, 21736, 21824, 25688, 25792, 25916, 26752, 29744, 30628, 31616, 35321, 35464, 36608, 37696, 41912, 43264, 43472, 43648, 51376, 51584, 51832, 53504, 57629, 59488, 61256, 63232, 70642, 70928, 75392, 83824, 84227, 86944, 87296, 99541, 102752, 103168, 103664, 115258, 118976, 122512, 141284, 141856, 150784, 167648, 168454, 173888, 199082, 205504, 207328, 230516, 237952, 245024, 282568, 283712, 335296, 336908, 347776, 398164, 411008, 414656, 461032, 475904, 490048, 565136, 567424, 670592, 673816, 695552, 796328, 822016, 829312, 922064, 980096, 1094951, 1130272, 1134848, 1341184, 1347632, 1592656, 1658624, 1844128, 1960192, 2189902, 2260544, 2695264, 3185312, 3688256, 4379804, 4521088, 5390528, 6370624, 7376512, 8759608, 9042176, 10781056, 12741248, 14753024, 17519216, 21562112, 25482496, 35038432, 70076864, 140153728, 280307456]

約数ペア:

[(1, 280307456), (2, 140153728), (4, 70076864), (8, 35038432), (11, 25482496), (13, 21562112), (16, 17519216), (19, 14753024), (22, 12741248), (26, 10781056), (31, 9042176), (32, 8759608), (38, 7376512), (44, 6370624), (52, 5390528), (62, 4521088), (64, 4379804), (76, 3688256), (88, 3185312), (104, 2695264), (124, 2260544), (128, 2189902), (143, 1960192), (152, 1844128), (169, 1658624), (176, 1592656), (208, 1347632), (209, 1341184), (247, 1134848), (248, 1130272), (256, 1094951), (286, 980096), (304, 922064), (338, 829312), (341, 822016), (352, 796328), (403, 695552), (416, 673816), (418, 670592), (494, 567424), (496, 565136), (572, 490048), (589, 475904), (608, 461032), (676, 414656), (682, 411008), (704, 398164), (806, 347776), (832, 336908), (836, 335296), (988, 283712), (992, 282568), (1144, 245024), (1178, 237952), (1216, 230516), (1352, 207328), (1364, 205504), (1408, 199082), (1612, 173888), (1664, 168454), (1672, 167648), (1859, 150784), (1976, 141856), (1984, 141284), (2288, 122512), (2356, 118976), (2432, 115258), (2704, 103664), (2717, 103168), (2728, 102752), (2816, 99541), (3211, 87296), (3224, 86944), (3328, 84227), (3344, 83824), (3718, 75392), (3952, 70928), (3968, 70642), (4433, 63232), (4576, 61256), (4712, 59488), (4864, 57629), (5239, 53504), (5408, 51832), (5434, 51584), (5456, 51376), (6422, 43648), (6448, 43472), (6479, 43264), (6688, 41912), (7436, 37696), (7657, 36608), (7904, 35464), (7936, 35321), (8866, 31616), (9152, 30628), (9424, 29744), (10478, 26752), (10816, 25916), (10868, 25792), (10912, 25688), (12844, 21824), (12896, 21736), (12958, 21632), (13376, 20956), (14872, 18848), (15314, 18304), (15808, 17732)]