291238120

素因数分解:

$2^3\times 5^1\times {\mathrm{7280953}}^1$

素因数の和:7280964

約数の個数: 16

約数和(自身を含む): 655285860

約数和(自身を除く): 364047740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7280953, 14561906, 29123812, 36404765, 58247624, 72809530, 145619060, 291238120]

約数ペア:

[(1, 291238120), (2, 145619060), (4, 72809530), (5, 58247624), (8, 36404765), (10, 29123812), (20, 14561906), (40, 7280953)]