2021002060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{187477}}^1$

素因数の和:187511

約数の個数: 72

約数和(自身を含む): 5385867984

約数和(自身を除く): 3364865924

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 187477, 374954, 749908, 937385, 1312339, 1874770, 2062247, 2624678, 3749540, 4124494, 5249356, 6561695, 8248988, 9186373, 10311235, 13123390, 14435729, 18372746, 20622470, 26246780, 28871458, 36745492, 41244940, 45931865, 57742916, 72178645, 91863730, 101050103, 144357290, 183727460, 202100206, 288714580, 404200412, 505250515, 1010501030, 2021002060]

約数ペア:

[(1, 2021002060), (2, 1010501030), (4, 505250515), (5, 404200412), (7, 288714580), (10, 202100206), (11, 183727460), (14, 144357290), (20, 101050103), (22, 91863730), (28, 72178645), (35, 57742916), (44, 45931865), (49, 41244940), (55, 36745492), (70, 28871458), (77, 26246780), (98, 20622470), (110, 18372746), (140, 14435729), (154, 13123390), (196, 10311235), (220, 9186373), (245, 8248988), (308, 6561695), (385, 5249356), (490, 4124494), (539, 3749540), (770, 2624678), (980, 2062247), (1078, 1874770), (1540, 1312339), (2156, 937385), (2695, 749908), (5390, 374954), (10780, 187477)]