28777330

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 53280000

約数和(自身を除く): 24502670

約数列:

[1, 2, 5, 10, 73, 79, 146, 158, 365, 395, 499, 730, 790, 998, 2495, 4990, 5767, 11534, 28835, 36427, 39421, 57670, 72854, 78842, 182135, 197105, 364270, 394210, 2877733, 5755466, 14388665, 28777330]

約数ペア:

[(1, 28777330), (2, 14388665), (5, 5755466), (10, 2877733), (73, 394210), (79, 364270), (146, 197105), (158, 182135), (365, 78842), (395, 72854), (499, 57670), (730, 39421), (790, 36427), (998, 28835), (2495, 11534), (4990, 5767)]