348548831440

素因数分解:

$2^4\times 5^1\times {\mathrm{6421}}^1\times {\mathrm{678533}}^1$

素因数の和:684967

約数の個数: 40

約数和(自身を含む): 810503434728

約数和(自身を除く): 461954603288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6421, 12842, 25684, 32105, 51368, 64210, 102736, 128420, 256840, 513680, 678533, 1357066, 2714132, 3392665, 5428264, 6785330, 10856528, 13570660, 27141320, 54282640, 4356860393, 8713720786, 17427441572, 21784301965, 34854883144, 43568603930, 69709766288, 87137207860, 174274415720, 348548831440]

約数ペア:

[(1, 348548831440), (2, 174274415720), (4, 87137207860), (5, 69709766288), (8, 43568603930), (10, 34854883144), (16, 21784301965), (20, 17427441572), (40, 8713720786), (80, 4356860393), (6421, 54282640), (12842, 27141320), (25684, 13570660), (32105, 10856528), (51368, 6785330), (64210, 5428264), (102736, 3392665), (128420, 2714132), (256840, 1357066), (513680, 678533)]