289938145

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1039}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 435352320

約数和(自身を除く): 145414175

約数列:

[1, 5, 7, 17, 35, 49, 67, 85, 119, 245, 335, 469, 595, 833, 1039, 1139, 2345, 3283, 4165, 5195, 5695, 7273, 7973, 16415, 17663, 36365, 39865, 50911, 55811, 69613, 88315, 123641, 254555, 279055, 348065, 487291, 618205, 865487, 1183421, 2436455, 3411037, 4327435, 5917105, 8283947, 17055185, 41419735, 57987629, 289938145]

約数ペア:

[(1, 289938145), (5, 57987629), (7, 41419735), (17, 17055185), (35, 8283947), (49, 5917105), (67, 4327435), (85, 3411037), (119, 2436455), (245, 1183421), (335, 865487), (469, 618205), (595, 487291), (833, 348065), (1039, 279055), (1139, 254555), (2345, 123641), (3283, 88315), (4165, 69613), (5195, 55811), (5695, 50911), (7273, 39865), (7973, 36365), (16415, 17663)]