99312920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{354689}}^1$

素因数の和:354707

約数の個数: 32

約数和(自身を含む): 255376800

約数和(自身を除く): 156063880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 354689, 709378, 1418756, 1773445, 2482823, 2837512, 3546890, 4965646, 7093780, 9931292, 12414115, 14187560, 19862584, 24828230, 49656460, 99312920]

約数ペア:

[(1, 99312920), (2, 49656460), (4, 24828230), (5, 19862584), (7, 14187560), (8, 12414115), (10, 9931292), (14, 7093780), (20, 4965646), (28, 3546890), (35, 2837512), (40, 2482823), (56, 1773445), (70, 1418756), (140, 709378), (280, 354689)]