30781190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{25439}}^1$

素因数の和:25468

約数の個数: 24

約数和(自身を含む): 60903360

約数和(自身を除く): 30122170

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 25439, 50878, 127195, 254390, 279829, 559658, 1399145, 2798290, 3078119, 6156238, 15390595, 30781190]

約数ペア:

[(1, 30781190), (2, 15390595), (5, 6156238), (10, 3078119), (11, 2798290), (22, 1399145), (55, 559658), (110, 279829), (121, 254390), (242, 127195), (605, 50878), (1210, 25439)]