28468270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{557}}^1$

素因数の和:852

約数の個数: 32

約数和(自身を含む): 54237600

約数和(自身を除く): 25769330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 269, 538, 557, 1114, 1345, 2690, 2785, 5111, 5570, 10222, 10583, 21166, 25555, 51110, 52915, 105830, 149833, 299666, 749165, 1498330, 2846827, 5693654, 14234135, 28468270]

約数ペア:

[(1, 28468270), (2, 14234135), (5, 5693654), (10, 2846827), (19, 1498330), (38, 749165), (95, 299666), (190, 149833), (269, 105830), (538, 52915), (557, 51110), (1114, 25555), (1345, 21166), (2690, 10583), (2785, 10222), (5111, 5570)]