28860420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3511}}^1$

素因数の和:3660

約数の個数: 48

約数和(自身を含む): 81422208

約数和(自身を除く): 52561788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2740, 3511, 4110, 7022, 8220, 10533, 14044, 17555, 21066, 35110, 42132, 52665, 70220, 105330, 210660, 481007, 962014, 1443021, 1924028, 2405035, 2886042, 4810070, 5772084, 7215105, 9620140, 14430210, 28860420]

約数ペア:

[(1, 28860420), (2, 14430210), (3, 9620140), (4, 7215105), (5, 5772084), (6, 4810070), (10, 2886042), (12, 2405035), (15, 1924028), (20, 1443021), (30, 962014), (60, 481007), (137, 210660), (274, 105330), (411, 70220), (548, 52665), (685, 42132), (822, 35110), (1370, 21066), (1644, 17555), (2055, 14044), (2740, 10533), (3511, 8220), (4110, 7022)]