259717504

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 576748800

約数和(自身を除く): 317031296

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 37, 58, 61, 62, 64, 74, 116, 122, 124, 128, 148, 232, 244, 248, 296, 464, 488, 496, 592, 899, 928, 976, 992, 1073, 1147, 1184, 1769, 1798, 1856, 1891, 1952, 1984, 2146, 2257, 2294, 2368, 3538, 3596, 3712, 3782, 3904, 3968, 4292, 4514, 4588, 4736, 7076, 7192, 7564, 7808, 8584, 9028, 9176, 14152, 14384, 15128, 17168, 18056, 18352, 28304, 28768, 30256, 33263, 34336, 36112, 36704, 54839, 56608, 57536, 60512, 65453, 66526, 68672, 69967, 72224, 73408, 109678, 113216, 115072, 121024, 130906, 133052, 137344, 139934, 144448, 146816, 219356, 226432, 242048, 261812, 266104, 279868, 288896, 438712, 523624, 532208, 559736, 877424, 1047248, 1064416, 1119472, 1754848, 2029043, 2094496, 2128832, 2238944, 3509696, 4058086, 4188992, 4257664, 4477888, 7019392, 8116172, 8377984, 8955776, 16232344, 32464688, 64929376, 129858752, 259717504]

約数ペア:

[(1, 259717504), (2, 129858752), (4, 64929376), (8, 32464688), (16, 16232344), (29, 8955776), (31, 8377984), (32, 8116172), (37, 7019392), (58, 4477888), (61, 4257664), (62, 4188992), (64, 4058086), (74, 3509696), (116, 2238944), (122, 2128832), (124, 2094496), (128, 2029043), (148, 1754848), (232, 1119472), (244, 1064416), (248, 1047248), (296, 877424), (464, 559736), (488, 532208), (496, 523624), (592, 438712), (899, 288896), (928, 279868), (976, 266104), (992, 261812), (1073, 242048), (1147, 226432), (1184, 219356), (1769, 146816), (1798, 144448), (1856, 139934), (1891, 137344), (1952, 133052), (1984, 130906), (2146, 121024), (2257, 115072), (2294, 113216), (2368, 109678), (3538, 73408), (3596, 72224), (3712, 69967), (3782, 68672), (3904, 66526), (3968, 65453), (4292, 60512), (4514, 57536), (4588, 56608), (4736, 54839), (7076, 36704), (7192, 36112), (7564, 34336), (7808, 33263), (8584, 30256), (9028, 28768), (9176, 28304), (14152, 18352), (14384, 18056), (15128, 17168)]