78779225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 124724160

約数和(自身を除く): 45944935

約数列:

[1, 5, 7, 19, 25, 29, 35, 43, 95, 133, 145, 175, 203, 215, 301, 361, 475, 551, 665, 725, 817, 1015, 1075, 1247, 1505, 1805, 2527, 2755, 3325, 3857, 4085, 5075, 5719, 6235, 7525, 8729, 9025, 10469, 12635, 13775, 15523, 19285, 20425, 23693, 28595, 31175, 43645, 52345, 63175, 73283, 77615, 96425, 108661, 118465, 142975, 165851, 218225, 261725, 366415, 388075, 450167, 543305, 592325, 829255, 1832075, 2250835, 2716525, 3151169, 4146275, 11254175, 15755845, 78779225]

約数ペア:

[(1, 78779225), (5, 15755845), (7, 11254175), (19, 4146275), (25, 3151169), (29, 2716525), (35, 2250835), (43, 1832075), (95, 829255), (133, 592325), (145, 543305), (175, 450167), (203, 388075), (215, 366415), (301, 261725), (361, 218225), (475, 165851), (551, 142975), (665, 118465), (725, 108661), (817, 96425), (1015, 77615), (1075, 73283), (1247, 63175), (1505, 52345), (1805, 43645), (2527, 31175), (2755, 28595), (3325, 23693), (3857, 20425), (4085, 19285), (5075, 15523), (5719, 13775), (6235, 12635), (7525, 10469), (8729, 9025)]