49808920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{177889}}^1$

素因数の和:177907

約数の個数: 32

約数和(自身を含む): 128080800

約数和(自身を除く): 78271880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 177889, 355778, 711556, 889445, 1245223, 1423112, 1778890, 2490446, 3557780, 4980892, 6226115, 7115560, 9961784, 12452230, 24904460, 49808920]

約数ペア:

[(1, 49808920), (2, 24904460), (4, 12452230), (5, 9961784), (7, 7115560), (8, 6226115), (10, 4980892), (14, 3557780), (20, 2490446), (28, 1778890), (35, 1423112), (40, 1245223), (56, 889445), (70, 711556), (140, 355778), (280, 177889)]