90642748

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 196499520

約数和(自身を除く): 105856772

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 49, 58, 74, 98, 116, 148, 196, 203, 259, 406, 431, 518, 812, 862, 1036, 1073, 1421, 1724, 1813, 2146, 2842, 3017, 3626, 4292, 5684, 6034, 7252, 7511, 12068, 12499, 15022, 15947, 21119, 24998, 30044, 31894, 42238, 49996, 52577, 63788, 84476, 87493, 105154, 111629, 174986, 210308, 223258, 349972, 446516, 462463, 612451, 781403, 924926, 1224902, 1562806, 1849852, 2449804, 3125612, 3237241, 6474482, 12948964, 22660687, 45321374, 90642748]

約数ペア:

[(1, 90642748), (2, 45321374), (4, 22660687), (7, 12948964), (14, 6474482), (28, 3237241), (29, 3125612), (37, 2449804), (49, 1849852), (58, 1562806), (74, 1224902), (98, 924926), (116, 781403), (148, 612451), (196, 462463), (203, 446516), (259, 349972), (406, 223258), (431, 210308), (518, 174986), (812, 111629), (862, 105154), (1036, 87493), (1073, 84476), (1421, 63788), (1724, 52577), (1813, 49996), (2146, 42238), (2842, 31894), (3017, 30044), (3626, 24998), (4292, 21119), (5684, 15947), (6034, 15022), (7252, 12499), (7511, 12068)]