720822070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{39671}}^1$

素因数の和:39780

約数の個数: 32

約数和(自身を含む): 1371064320

約数和(自身を除く): 650242250

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 790, 1817, 3634, 9085, 18170, 39671, 79342, 198355, 396710, 912433, 1824866, 3134009, 4562165, 6268018, 9124330, 15670045, 31340090, 72082207, 144164414, 360411035, 720822070]

約数ペア:

[(1, 720822070), (2, 360411035), (5, 144164414), (10, 72082207), (23, 31340090), (46, 15670045), (79, 9124330), (115, 6268018), (158, 4562165), (230, 3134009), (395, 1824866), (790, 912433), (1817, 396710), (3634, 198355), (9085, 79342), (18170, 39671)]