243344690

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{3851}}^1$

素因数の和:4018

約数の個数: 32

約数和(自身を含む): 449297280

約数和(自身を除く): 205952590

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 445, 710, 890, 3851, 6319, 7702, 12638, 19255, 31595, 38510, 63190, 273421, 342739, 546842, 685478, 1367105, 1713695, 2734210, 3427390, 24334469, 48668938, 121672345, 243344690]

約数ペア:

[(1, 243344690), (2, 121672345), (5, 48668938), (10, 24334469), (71, 3427390), (89, 2734210), (142, 1713695), (178, 1367105), (355, 685478), (445, 546842), (710, 342739), (890, 273421), (3851, 63190), (6319, 38510), (7702, 31595), (12638, 19255)]