89420380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{638717}}^1$

素因数の和:638733

約数の個数: 24

約数和(自身を含む): 214609248

約数和(自身を除く): 125188868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 638717, 1277434, 2554868, 3193585, 4471019, 6387170, 8942038, 12774340, 17884076, 22355095, 44710190, 89420380]

約数ペア:

[(1, 89420380), (2, 44710190), (4, 22355095), (5, 17884076), (7, 12774340), (10, 8942038), (14, 6387170), (20, 4471019), (28, 3193585), (35, 2554868), (70, 1277434), (140, 638717)]