28988540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{207061}}^1$

素因数の和:207077

約数の個数: 24

約数和(自身を含む): 69572832

約数和(自身を除く): 40584292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 207061, 414122, 828244, 1035305, 1449427, 2070610, 2898854, 4141220, 5797708, 7247135, 14494270, 28988540]

約数ペア:

[(1, 28988540), (2, 14494270), (4, 7247135), (5, 5797708), (7, 4141220), (10, 2898854), (14, 2070610), (20, 1449427), (28, 1035305), (35, 828244), (70, 414122), (140, 207061)]