1320140

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 2797200

約数和(自身を除く): 1477060

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 443, 596, 745, 886, 1490, 1772, 2215, 2980, 4430, 8860, 66007, 132014, 264028, 330035, 660070, 1320140]

約数ペア:

[(1, 1320140), (2, 660070), (4, 330035), (5, 264028), (10, 132014), (20, 66007), (149, 8860), (298, 4430), (443, 2980), (596, 2215), (745, 1772), (886, 1490)]