74305840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{132689}}^1$

素因数の和:132709

約数の個数: 40

約数和(自身を含む): 197442720

約数和(自身を除く): 123136880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 132689, 265378, 530756, 663445, 928823, 1061512, 1326890, 1857646, 2123024, 2653780, 3715292, 4644115, 5307560, 7430584, 9288230, 10615120, 14861168, 18576460, 37152920, 74305840]

約数ペア:

[(1, 74305840), (2, 37152920), (4, 18576460), (5, 14861168), (7, 10615120), (8, 9288230), (10, 7430584), (14, 5307560), (16, 4644115), (20, 3715292), (28, 2653780), (35, 2123024), (40, 1857646), (56, 1326890), (70, 1061512), (80, 928823), (112, 663445), (140, 530756), (280, 265378), (560, 132689)]