202119995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 320855040

約数和(自身を除く): 118735045

約数列:

[1, 5, 7, 11, 29, 35, 43, 55, 77, 145, 203, 215, 301, 319, 385, 421, 473, 1015, 1247, 1505, 1595, 2105, 2233, 2365, 2947, 3311, 4631, 6235, 8729, 11165, 12209, 13717, 14735, 16555, 18103, 23155, 32417, 43645, 61045, 68585, 85463, 90515, 96019, 126721, 134299, 162085, 199133, 427315, 480095, 524987, 633605, 671495, 940093, 995665, 1393931, 2624935, 3674909, 4700465, 5774857, 6969655, 18374545, 28874285, 40423999, 202119995]

約数ペア:

[(1, 202119995), (5, 40423999), (7, 28874285), (11, 18374545), (29, 6969655), (35, 5774857), (43, 4700465), (55, 3674909), (77, 2624935), (145, 1393931), (203, 995665), (215, 940093), (301, 671495), (319, 633605), (385, 524987), (421, 480095), (473, 427315), (1015, 199133), (1247, 162085), (1505, 134299), (1595, 126721), (2105, 96019), (2233, 90515), (2365, 85463), (2947, 68585), (3311, 61045), (4631, 43645), (6235, 32417), (8729, 23155), (11165, 18103), (12209, 16555), (13717, 14735)]