28537810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 63360000

約数和(自身を除く): 34822190

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 43, 70, 86, 95, 133, 190, 215, 266, 301, 430, 499, 602, 665, 817, 998, 1330, 1505, 1634, 2495, 3010, 3493, 4085, 4990, 5719, 6986, 8170, 9481, 11438, 17465, 18962, 21457, 28595, 34930, 42914, 47405, 57190, 66367, 94810, 107285, 132734, 150199, 214570, 300398, 331835, 407683, 663670, 750995, 815366, 1501990, 2038415, 2853781, 4076830, 5707562, 14268905, 28537810]

約数ペア:

[(1, 28537810), (2, 14268905), (5, 5707562), (7, 4076830), (10, 2853781), (14, 2038415), (19, 1501990), (35, 815366), (38, 750995), (43, 663670), (70, 407683), (86, 331835), (95, 300398), (133, 214570), (190, 150199), (215, 132734), (266, 107285), (301, 94810), (430, 66367), (499, 57190), (602, 47405), (665, 42914), (817, 34930), (998, 28595), (1330, 21457), (1505, 18962), (1634, 17465), (2495, 11438), (3010, 9481), (3493, 8170), (4085, 6986), (4990, 5719)]