91808920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{327889}}^1$

素因数の和:327907

約数の個数: 32

約数和(自身を含む): 236080800

約数和(自身を除く): 144271880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 327889, 655778, 1311556, 1639445, 2295223, 2623112, 3278890, 4590446, 6557780, 9180892, 11476115, 13115560, 18361784, 22952230, 45904460, 91808920]

約数ペア:

[(1, 91808920), (2, 45904460), (4, 22952230), (5, 18361784), (7, 13115560), (8, 11476115), (10, 9180892), (14, 6557780), (20, 4590446), (28, 3278890), (35, 2623112), (40, 2295223), (56, 1639445), (70, 1311556), (140, 655778), (280, 327889)]