389925910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{39829}}^1$

素因数の和:39936

約数の個数: 32

約数和(自身を含む): 774295200

約数和(自身を除く): 384369290

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 39829, 79658, 199145, 398290, 438119, 876238, 2190595, 3544781, 4381190, 7089562, 17723905, 35447810, 38992591, 77985182, 194962955, 389925910]

約数ペア:

[(1, 389925910), (2, 194962955), (5, 77985182), (10, 38992591), (11, 35447810), (22, 17723905), (55, 7089562), (89, 4381190), (110, 3544781), (178, 2190595), (445, 876238), (890, 438119), (979, 398290), (1958, 199145), (4895, 79658), (9790, 39829)]