2018660875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1601}}^1$

素因数の和:1765

約数の個数: 64

約数和(自身を含む): 3166884864

約数和(自身を除く): 1148223989

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 131, 175, 275, 385, 655, 875, 917, 1375, 1441, 1601, 1925, 3275, 4585, 7205, 8005, 9625, 10087, 11207, 16375, 17611, 22925, 36025, 40025, 50435, 56035, 88055, 114625, 123277, 180125, 200125, 209731, 252175, 280175, 440275, 616385, 1048655, 1260875, 1400875, 1468117, 2201375, 2307041, 3081925, 5243275, 7340585, 11535205, 15409625, 16149287, 26216375, 36702925, 57676025, 80746435, 183514625, 288380125, 403732175, 2018660875]

約数ペア:

[(1, 2018660875), (5, 403732175), (7, 288380125), (11, 183514625), (25, 80746435), (35, 57676025), (55, 36702925), (77, 26216375), (125, 16149287), (131, 15409625), (175, 11535205), (275, 7340585), (385, 5243275), (655, 3081925), (875, 2307041), (917, 2201375), (1375, 1468117), (1441, 1400875), (1601, 1260875), (1925, 1048655), (3275, 616385), (4585, 440275), (7205, 280175), (8005, 252175), (9625, 209731), (10087, 200125), (11207, 180125), (16375, 123277), (17611, 114625), (22925, 88055), (36025, 56035), (40025, 50435)]