27973960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{99907}}^1$

素因数の和:99925

約数の個数: 32

約数和(自身を含む): 71933760

約数和(自身を除く): 43959800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 99907, 199814, 399628, 499535, 699349, 799256, 999070, 1398698, 1998140, 2797396, 3496745, 3996280, 5594792, 6993490, 13986980, 27973960]

約数ペア:

[(1, 27973960), (2, 13986980), (4, 6993490), (5, 5594792), (7, 3996280), (8, 3496745), (10, 2797396), (14, 1998140), (20, 1398698), (28, 999070), (35, 799256), (40, 699349), (56, 499535), (70, 399628), (140, 199814), (280, 99907)]