149083280

素因数分解:

$2^4\times 5^1\times {\mathrm{1863541}}^1$

素因数の和:1863554

約数の個数: 20

約数和(自身を含む): 346618812

約数和(自身を除く): 197535532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1863541, 3727082, 7454164, 9317705, 14908328, 18635410, 29816656, 37270820, 74541640, 149083280]

約数ペア:

[(1, 149083280), (2, 74541640), (4, 37270820), (5, 29816656), (8, 18635410), (10, 14908328), (16, 9317705), (20, 7454164), (40, 3727082), (80, 1863541)]