200019875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 296524800

約数和(自身を除く): 96504925

約数列:

[1, 5, 11, 17, 25, 43, 55, 85, 125, 187, 199, 215, 275, 425, 473, 731, 935, 995, 1075, 1375, 2125, 2189, 2365, 3383, 3655, 4675, 4975, 5375, 8041, 8557, 10945, 11825, 16915, 18275, 23375, 24875, 37213, 40205, 42785, 54725, 59125, 84575, 91375, 94127, 145469, 186065, 201025, 213925, 273625, 422875, 470635, 727345, 930325, 1005125, 1069625, 1600159, 2353175, 3636725, 4651625, 8000795, 11765875, 18183625, 40003975, 200019875]

約数ペア:

[(1, 200019875), (5, 40003975), (11, 18183625), (17, 11765875), (25, 8000795), (43, 4651625), (55, 3636725), (85, 2353175), (125, 1600159), (187, 1069625), (199, 1005125), (215, 930325), (275, 727345), (425, 470635), (473, 422875), (731, 273625), (935, 213925), (995, 201025), (1075, 186065), (1375, 145469), (2125, 94127), (2189, 91375), (2365, 84575), (3383, 59125), (3655, 54725), (4675, 42785), (4975, 40205), (5375, 37213), (8041, 24875), (8557, 23375), (10945, 18275), (11825, 16915)]