2508420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 7112448

約数和(自身を除く): 4604028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 431, 485, 582, 862, 970, 1164, 1293, 1455, 1724, 1940, 2155, 2586, 2910, 4310, 5172, 5820, 6465, 8620, 12930, 25860, 41807, 83614, 125421, 167228, 209035, 250842, 418070, 501684, 627105, 836140, 1254210, 2508420]

約数ペア:

[(1, 2508420), (2, 1254210), (3, 836140), (4, 627105), (5, 501684), (6, 418070), (10, 250842), (12, 209035), (15, 167228), (20, 125421), (30, 83614), (60, 41807), (97, 25860), (194, 12930), (291, 8620), (388, 6465), (431, 5820), (485, 5172), (582, 4310), (862, 2910), (970, 2586), (1164, 2155), (1293, 1940), (1455, 1724)]