31105340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5167}}^1$

素因数の和:5226

約数の個数: 48

約数和(自身を含む): 76403712

約数和(自身を除く): 45298372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 5167, 6020, 10334, 20668, 25835, 36169, 51670, 72338, 103340, 144676, 180845, 222181, 361690, 444362, 723380, 888724, 1110905, 1555267, 2221810, 3110534, 4443620, 6221068, 7776335, 15552670, 31105340]

約数ペア:

[(1, 31105340), (2, 15552670), (4, 7776335), (5, 6221068), (7, 4443620), (10, 3110534), (14, 2221810), (20, 1555267), (28, 1110905), (35, 888724), (43, 723380), (70, 444362), (86, 361690), (140, 222181), (172, 180845), (215, 144676), (301, 103340), (430, 72338), (602, 51670), (860, 36169), (1204, 25835), (1505, 20668), (3010, 10334), (5167, 6020)]