128055340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2281}}^1$

素因数の和:2698

約数の個数: 48

約数和(自身を含む): 308234304

約数和(自身を除く): 180178964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1604, 2005, 2281, 2807, 4010, 4562, 5614, 8020, 9124, 11228, 11405, 14035, 15967, 22810, 28070, 31934, 45620, 56140, 63868, 79835, 159670, 319340, 914681, 1829362, 3658724, 4573405, 6402767, 9146810, 12805534, 18293620, 25611068, 32013835, 64027670, 128055340]

約数ペア:

[(1, 128055340), (2, 64027670), (4, 32013835), (5, 25611068), (7, 18293620), (10, 12805534), (14, 9146810), (20, 6402767), (28, 4573405), (35, 3658724), (70, 1829362), (140, 914681), (401, 319340), (802, 159670), (1604, 79835), (2005, 63868), (2281, 56140), (2807, 45620), (4010, 31934), (4562, 28070), (5614, 22810), (8020, 15967), (9124, 14035), (11228, 11405)]