3890450

素因数分解:

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

素因数の和:251

約数の個数: 48

約数和(自身を含む): 8035200

約数和(自身を除く): 4144750

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 199, 230, 391, 398, 425, 575, 782, 850, 995, 1150, 1955, 1990, 3383, 3910, 4577, 4975, 6766, 9154, 9775, 9950, 16915, 19550, 22885, 33830, 45770, 77809, 84575, 114425, 155618, 169150, 228850, 389045, 778090, 1945225, 3890450]

約数ペア:

[(1, 3890450), (2, 1945225), (5, 778090), (10, 389045), (17, 228850), (23, 169150), (25, 155618), (34, 114425), (46, 84575), (50, 77809), (85, 45770), (115, 33830), (170, 22885), (199, 19550), (230, 16915), (391, 9950), (398, 9775), (425, 9154), (575, 6766), (782, 4975), (850, 4577), (995, 3910), (1150, 3383), (1955, 1990)]