219221480

素因数分解:

$2^3\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{3529}}^1$

素因数の和:5093

約数の個数: 32

約数和(自身を含む): 493705800

約数和(自身を除く): 274484320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1553, 3106, 3529, 6212, 7058, 7765, 12424, 14116, 15530, 17645, 28232, 31060, 35290, 62120, 70580, 141160, 5480537, 10961074, 21922148, 27402685, 43844296, 54805370, 109610740, 219221480]

約数ペア:

[(1, 219221480), (2, 109610740), (4, 54805370), (5, 43844296), (8, 27402685), (10, 21922148), (20, 10961074), (40, 5480537), (1553, 141160), (3106, 70580), (3529, 62120), (6212, 35290), (7058, 31060), (7765, 28232), (12424, 17645), (14116, 15530)]