79905868

素因数分解:

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

素因数の和:579

約数の個数: 72

約数和(自身を含む): 175560000

約数和(自身を除く): 95654132

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 172, 196, 266, 301, 499, 532, 602, 817, 931, 998, 1204, 1634, 1862, 1996, 2107, 3268, 3493, 3724, 4214, 5719, 6986, 8428, 9481, 11438, 13972, 18962, 21457, 22876, 24451, 37924, 40033, 42914, 48902, 66367, 80066, 85828, 97804, 132734, 150199, 160132, 265468, 300398, 407683, 464569, 600796, 815366, 929138, 1051393, 1630732, 1858276, 2102786, 2853781, 4205572, 5707562, 11415124, 19976467, 39952934, 79905868]

約数ペア:

[(1, 79905868), (2, 39952934), (4, 19976467), (7, 11415124), (14, 5707562), (19, 4205572), (28, 2853781), (38, 2102786), (43, 1858276), (49, 1630732), (76, 1051393), (86, 929138), (98, 815366), (133, 600796), (172, 464569), (196, 407683), (266, 300398), (301, 265468), (499, 160132), (532, 150199), (602, 132734), (817, 97804), (931, 85828), (998, 80066), (1204, 66367), (1634, 48902), (1862, 42914), (1996, 40033), (2107, 37924), (3268, 24451), (3493, 22876), (3724, 21457), (4214, 18962), (5719, 13972), (6986, 11438), (8428, 9481)]