290401280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4363}}^1$

素因数の和:4401

約数の個数: 88

約数和(自身を含む): 750381072

約数和(自身を除く): 459979792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 4363, 5120, 6656, 8320, 8726, 13312, 16640, 17452, 21815, 33280, 34904, 43630, 56719, 66560, 69808, 87260, 113438, 139616, 174520, 226876, 279232, 283595, 349040, 453752, 558464, 567190, 698080, 907504, 1116928, 1134380, 1396160, 1815008, 2233856, 2268760, 2792320, 3630016, 4467712, 4537520, 5584640, 7260032, 9075040, 11169280, 14520064, 18150080, 22338560, 29040128, 36300160, 58080256, 72600320, 145200640, 290401280]

約数ペア:

[(1, 290401280), (2, 145200640), (4, 72600320), (5, 58080256), (8, 36300160), (10, 29040128), (13, 22338560), (16, 18150080), (20, 14520064), (26, 11169280), (32, 9075040), (40, 7260032), (52, 5584640), (64, 4537520), (65, 4467712), (80, 3630016), (104, 2792320), (128, 2268760), (130, 2233856), (160, 1815008), (208, 1396160), (256, 1134380), (260, 1116928), (320, 907504), (416, 698080), (512, 567190), (520, 558464), (640, 453752), (832, 349040), (1024, 283595), (1040, 279232), (1280, 226876), (1664, 174520), (2080, 139616), (2560, 113438), (3328, 87260), (4160, 69808), (4363, 66560), (5120, 56719), (6656, 43630), (8320, 34904), (8726, 33280), (13312, 21815), (16640, 17452)]