290111696

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{112621}}^1$

素因数の和:112659

約数の個数: 40

約数和(自身を含む): 670326144

約数和(自身を除く): 380214448

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 112621, 225242, 450484, 788347, 900968, 1576694, 1801936, 2590283, 3153388, 5180566, 6306776, 10361132, 12613552, 18131981, 20722264, 36263962, 41444528, 72527924, 145055848, 290111696]

約数ペア:

[(1, 290111696), (2, 145055848), (4, 72527924), (7, 41444528), (8, 36263962), (14, 20722264), (16, 18131981), (23, 12613552), (28, 10361132), (46, 6306776), (56, 5180566), (92, 3153388), (112, 2590283), (161, 1801936), (184, 1576694), (322, 900968), (368, 788347), (644, 450484), (1288, 225242), (2576, 112621)]