2757140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4447}}^1$

素因数の和:4487

約数の個数: 24

約数和(自身を含む): 5978112

約数和(自身を除く): 3220972

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4447, 8894, 17788, 22235, 44470, 88940, 137857, 275714, 551428, 689285, 1378570, 2757140]

約数ペア:

[(1, 2757140), (2, 1378570), (4, 689285), (5, 551428), (10, 275714), (20, 137857), (31, 88940), (62, 44470), (124, 22235), (155, 17788), (310, 8894), (620, 4447)]