286757440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:396

約数の個数: 112

約数和(自身を含む): 713378304

約数和(自身を除く): 426620864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 137, 155, 160, 211, 248, 274, 310, 320, 422, 496, 548, 620, 685, 844, 992, 1055, 1096, 1240, 1370, 1688, 1984, 2110, 2192, 2480, 2740, 3376, 4220, 4247, 4384, 4960, 5480, 6541, 6752, 8440, 8494, 8768, 9920, 10960, 13082, 13504, 16880, 16988, 21235, 21920, 26164, 28907, 32705, 33760, 33976, 42470, 43840, 52328, 57814, 65410, 67520, 67952, 84940, 104656, 115628, 130820, 135904, 144535, 169880, 209312, 231256, 261640, 271808, 289070, 339760, 418624, 462512, 523280, 578140, 679520, 896117, 925024, 1046560, 1156280, 1359040, 1792234, 1850048, 2093120, 2312560, 3584468, 4480585, 4625120, 7168936, 8961170, 9250240, 14337872, 17922340, 28675744, 35844680, 57351488, 71689360, 143378720, 286757440]

約数ペア:

[(1, 286757440), (2, 143378720), (4, 71689360), (5, 57351488), (8, 35844680), (10, 28675744), (16, 17922340), (20, 14337872), (31, 9250240), (32, 8961170), (40, 7168936), (62, 4625120), (64, 4480585), (80, 3584468), (124, 2312560), (137, 2093120), (155, 1850048), (160, 1792234), (211, 1359040), (248, 1156280), (274, 1046560), (310, 925024), (320, 896117), (422, 679520), (496, 578140), (548, 523280), (620, 462512), (685, 418624), (844, 339760), (992, 289070), (1055, 271808), (1096, 261640), (1240, 231256), (1370, 209312), (1688, 169880), (1984, 144535), (2110, 135904), (2192, 130820), (2480, 115628), (2740, 104656), (3376, 84940), (4220, 67952), (4247, 67520), (4384, 65410), (4960, 57814), (5480, 52328), (6541, 43840), (6752, 42470), (8440, 33976), (8494, 33760), (8768, 32705), (9920, 28907), (10960, 26164), (13082, 21920), (13504, 21235), (16880, 16988)]