73430420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{74929}}^1$

素因数の和:74952

約数の個数: 36

約数和(自身を含む): 179382420

約数和(自身を除く): 105952000

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 74929, 149858, 299716, 374645, 524503, 749290, 1049006, 1498580, 2098012, 2622515, 3671521, 5245030, 7343042, 10490060, 14686084, 18357605, 36715210, 73430420]

約数ペア:

[(1, 73430420), (2, 36715210), (4, 18357605), (5, 14686084), (7, 10490060), (10, 7343042), (14, 5245030), (20, 3671521), (28, 2622515), (35, 2098012), (49, 1498580), (70, 1049006), (98, 749290), (140, 524503), (196, 374645), (245, 299716), (490, 149858), (980, 74929)]