209763910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{4583}}^1$

素因数の和:4812

約数の個数: 32

約数和(自身を含む): 396057600

約数和(自身を除く): 186293690

約数列:

[1, 2, 5, 10, 23, 46, 115, 199, 230, 398, 995, 1990, 4577, 4583, 9154, 9166, 22885, 22915, 45770, 45830, 105409, 210818, 527045, 912017, 1054090, 1824034, 4560085, 9120170, 20976391, 41952782, 104881955, 209763910]

約数ペア:

[(1, 209763910), (2, 104881955), (5, 41952782), (10, 20976391), (23, 9120170), (46, 4560085), (115, 1824034), (199, 1054090), (230, 912017), (398, 527045), (995, 210818), (1990, 105409), (4577, 45830), (4583, 45770), (9154, 22915), (9166, 22885)]