78247225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 118385280

約数和(自身を除く): 40138055

約数列:

[1, 5, 7, 19, 25, 35, 95, 101, 133, 175, 233, 475, 505, 665, 707, 1165, 1631, 1919, 2525, 3325, 3535, 4427, 5825, 8155, 9595, 13433, 17675, 22135, 23533, 30989, 40775, 47975, 67165, 110675, 117665, 154945, 164731, 335825, 447127, 588325, 774725, 823655, 2235635, 3129889, 4118275, 11178175, 15649445, 78247225]

約数ペア:

[(1, 78247225), (5, 15649445), (7, 11178175), (19, 4118275), (25, 3129889), (35, 2235635), (95, 823655), (101, 774725), (133, 588325), (175, 447127), (233, 335825), (475, 164731), (505, 154945), (665, 117665), (707, 110675), (1165, 67165), (1631, 47975), (1919, 40775), (2525, 30989), (3325, 23533), (3535, 22135), (4427, 17675), (5825, 13433), (8155, 9595)]