990309632

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 2280122880

約数和(自身を除く): 1289813248

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 31, 32, 52, 58, 62, 64, 104, 116, 124, 128, 208, 232, 248, 256, 331, 377, 403, 416, 464, 496, 662, 754, 806, 832, 899, 928, 992, 1324, 1508, 1612, 1664, 1798, 1856, 1984, 2648, 3016, 3224, 3328, 3596, 3712, 3968, 4303, 5296, 6032, 6448, 7192, 7424, 7936, 8606, 9599, 10261, 10592, 11687, 12064, 12896, 14384, 17212, 19198, 20522, 21184, 23374, 24128, 25792, 28768, 34424, 38396, 41044, 42368, 46748, 48256, 51584, 57536, 68848, 76792, 82088, 84736, 93496, 96512, 103168, 115072, 124787, 133393, 137696, 153584, 164176, 186992, 230144, 249574, 266786, 275392, 297569, 307168, 328352, 373984, 499148, 533572, 550784, 595138, 614336, 656704, 747968, 998296, 1067144, 1101568, 1190276, 1228672, 1313408, 1495936, 1996592, 2134288, 2380552, 2457344, 2626816, 2991872, 3868397, 3993184, 4268576, 4761104, 7736794, 7986368, 8537152, 9522208, 15473588, 15972736, 17074304, 19044416, 30947176, 31945472, 34148608, 38088832, 61894352, 76177664, 123788704, 247577408, 495154816, 990309632]

約数ペア:

[(1, 990309632), (2, 495154816), (4, 247577408), (8, 123788704), (13, 76177664), (16, 61894352), (26, 38088832), (29, 34148608), (31, 31945472), (32, 30947176), (52, 19044416), (58, 17074304), (62, 15972736), (64, 15473588), (104, 9522208), (116, 8537152), (124, 7986368), (128, 7736794), (208, 4761104), (232, 4268576), (248, 3993184), (256, 3868397), (331, 2991872), (377, 2626816), (403, 2457344), (416, 2380552), (464, 2134288), (496, 1996592), (662, 1495936), (754, 1313408), (806, 1228672), (832, 1190276), (899, 1101568), (928, 1067144), (992, 998296), (1324, 747968), (1508, 656704), (1612, 614336), (1664, 595138), (1798, 550784), (1856, 533572), (1984, 499148), (2648, 373984), (3016, 328352), (3224, 307168), (3328, 297569), (3596, 275392), (3712, 266786), (3968, 249574), (4303, 230144), (5296, 186992), (6032, 164176), (6448, 153584), (7192, 137696), (7424, 133393), (7936, 124787), (8606, 115072), (9599, 103168), (10261, 96512), (10592, 93496), (11687, 84736), (12064, 82088), (12896, 76792), (14384, 68848), (17212, 57536), (19198, 51584), (20522, 48256), (21184, 46748), (23374, 42368), (24128, 41044), (25792, 38396), (28768, 34424)]