778090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 1555200

約数和(自身を除く): 777110

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 199, 230, 391, 398, 782, 995, 1955, 1990, 3383, 3910, 4577, 6766, 9154, 16915, 22885, 33830, 45770, 77809, 155618, 389045, 778090]

約数ペア:

[(1, 778090), (2, 389045), (5, 155618), (10, 77809), (17, 45770), (23, 33830), (34, 22885), (46, 16915), (85, 9154), (115, 6766), (170, 4577), (199, 3910), (230, 3383), (391, 1990), (398, 1955), (782, 995)]