28640030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{491}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 54552960

約数和(自身を除く): 25912930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 307, 491, 614, 982, 1535, 2455, 3070, 4910, 5833, 9329, 11666, 18658, 29165, 46645, 58330, 93290, 150737, 301474, 753685, 1507370, 2864003, 5728006, 14320015, 28640030]

約数ペア:

[(1, 28640030), (2, 14320015), (5, 5728006), (10, 2864003), (19, 1507370), (38, 753685), (95, 301474), (190, 150737), (307, 93290), (491, 58330), (614, 46645), (982, 29165), (1535, 18658), (2455, 11666), (3070, 9329), (4910, 5833)]