2770775

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 3999744

約数和(自身を除く): 1228969

約数列:

[1, 5, 7, 25, 35, 71, 175, 223, 355, 497, 1115, 1561, 1775, 2485, 5575, 7805, 12425, 15833, 39025, 79165, 110831, 395825, 554155, 2770775]

約数ペア:

[(1, 2770775), (5, 554155), (7, 395825), (25, 110831), (35, 79165), (71, 39025), (175, 15833), (223, 12425), (355, 7805), (497, 5575), (1115, 2485), (1561, 1775)]