290834560

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:294

約数の個数: 128

約数和(自身を含む): 729699840

約数和(自身を除く): 438865280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 107, 124, 128, 137, 155, 160, 214, 248, 274, 310, 320, 428, 496, 535, 548, 620, 640, 685, 856, 992, 1070, 1096, 1240, 1370, 1712, 1984, 2140, 2192, 2480, 2740, 3317, 3424, 3968, 4247, 4280, 4384, 4960, 5480, 6634, 6848, 8494, 8560, 8768, 9920, 10960, 13268, 13696, 14659, 16585, 16988, 17120, 17536, 19840, 21235, 21920, 26536, 29318, 33170, 33976, 34240, 42470, 43840, 53072, 58636, 66340, 67952, 68480, 73295, 84940, 87680, 106144, 117272, 132680, 135904, 146590, 169880, 212288, 234544, 265360, 271808, 293180, 339760, 424576, 454429, 469088, 530720, 543616, 586360, 679520, 908858, 938176, 1061440, 1172720, 1359040, 1817716, 1876352, 2122880, 2272145, 2345440, 2718080, 3635432, 4544290, 4690880, 7270864, 9088580, 9381760, 14541728, 18177160, 29083456, 36354320, 58166912, 72708640, 145417280, 290834560]

約数ペア:

[(1, 290834560), (2, 145417280), (4, 72708640), (5, 58166912), (8, 36354320), (10, 29083456), (16, 18177160), (20, 14541728), (31, 9381760), (32, 9088580), (40, 7270864), (62, 4690880), (64, 4544290), (80, 3635432), (107, 2718080), (124, 2345440), (128, 2272145), (137, 2122880), (155, 1876352), (160, 1817716), (214, 1359040), (248, 1172720), (274, 1061440), (310, 938176), (320, 908858), (428, 679520), (496, 586360), (535, 543616), (548, 530720), (620, 469088), (640, 454429), (685, 424576), (856, 339760), (992, 293180), (1070, 271808), (1096, 265360), (1240, 234544), (1370, 212288), (1712, 169880), (1984, 146590), (2140, 135904), (2192, 132680), (2480, 117272), (2740, 106144), (3317, 87680), (3424, 84940), (3968, 73295), (4247, 68480), (4280, 67952), (4384, 66340), (4960, 58636), (5480, 53072), (6634, 43840), (6848, 42470), (8494, 34240), (8560, 33976), (8768, 33170), (9920, 29318), (10960, 26536), (13268, 21920), (13696, 21235), (14659, 19840), (16585, 17536), (16988, 17120)]