868660850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{643}}^1\times {\mathrm{659}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 1660206240

約数和(自身を除く): 791545390

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 643, 659, 1025, 1286, 1318, 2050, 3215, 3295, 6430, 6590, 16075, 16475, 26363, 27019, 32150, 32950, 52726, 54038, 131815, 135095, 263630, 270190, 423737, 659075, 675475, 847474, 1318150, 1350950, 2118685, 4237370, 10593425, 17373217, 21186850, 34746434, 86866085, 173732170, 434330425, 868660850]

約数ペア:

[(1, 868660850), (2, 434330425), (5, 173732170), (10, 86866085), (25, 34746434), (41, 21186850), (50, 17373217), (82, 10593425), (205, 4237370), (410, 2118685), (643, 1350950), (659, 1318150), (1025, 847474), (1286, 675475), (1318, 659075), (2050, 423737), (3215, 270190), (3295, 263630), (6430, 135095), (6590, 131815), (16075, 54038), (16475, 52726), (26363, 32950), (27019, 32150)]