280697795

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{1667}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 409287168

約数和(自身を除く): 128589373

約数列:

[1, 5, 7, 17, 35, 85, 119, 283, 595, 1415, 1667, 1981, 4811, 8335, 9905, 11669, 24055, 28339, 33677, 58345, 141695, 168385, 198373, 471761, 991865, 2358805, 3302327, 8019937, 16511635, 40099685, 56139559, 280697795]

約数ペア:

[(1, 280697795), (5, 56139559), (7, 40099685), (17, 16511635), (35, 8019937), (85, 3302327), (119, 2358805), (283, 991865), (595, 471761), (1415, 198373), (1667, 168385), (1981, 141695), (4811, 58345), (8335, 33677), (9905, 28339), (11669, 24055)]