191539220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{68899}}^1$

素因数の和:69047

約数の個数: 24

約数和(自身を含む): 405132000

約数和(自身を除く): 213592780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 68899, 137798, 275596, 344495, 688990, 1377980, 9576961, 19153922, 38307844, 47884805, 95769610, 191539220]

約数ペア:

[(1, 191539220), (2, 95769610), (4, 47884805), (5, 38307844), (10, 19153922), (20, 9576961), (139, 1377980), (278, 688990), (556, 344495), (695, 275596), (1390, 137798), (2780, 68899)]