4247140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2909}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 9044280

約数和(自身を除く): 4797140

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 2909, 5818, 11636, 14545, 29090, 58180, 212357, 424714, 849428, 1061785, 2123570, 4247140]

約数ペア:

[(1, 4247140), (2, 2123570), (4, 1061785), (5, 849428), (10, 424714), (20, 212357), (73, 58180), (146, 29090), (292, 14545), (365, 11636), (730, 5818), (1460, 2909)]