1278804580

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{466717}}^1$

素因数の和:466863

約数の個数: 24

約数和(自身を含む): 2705097528

約数和(自身を除く): 1426292948

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 466717, 933434, 1866868, 2333585, 4667170, 9334340, 63940229, 127880458, 255760916, 319701145, 639402290, 1278804580]

約数ペア:

[(1, 1278804580), (2, 639402290), (4, 319701145), (5, 255760916), (10, 127880458), (20, 63940229), (137, 9334340), (274, 4667170), (548, 2333585), (685, 1866868), (1370, 933434), (2740, 466717)]