204428630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2920409}}^1$

素因数の和:2920423

約数の個数: 16

約数和(自身を含む): 420539040

約数和(自身を除く): 216110410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2920409, 5840818, 14602045, 20442863, 29204090, 40885726, 102214315, 204428630]

約数ペア:

[(1, 204428630), (2, 102214315), (5, 40885726), (7, 29204090), (10, 20442863), (14, 14602045), (35, 5840818), (70, 2920409)]