1284297980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{539621}}^1$

素因数の和:539654

約数の個数: 48

約数和(自身を含む): 3263633856

約数和(自身を除く): 1979335876

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 539621, 1079242, 2158484, 2698105, 3777347, 5396210, 7554694, 9173557, 10792420, 15109388, 18347114, 18886735, 36694228, 37773470, 45867785, 64214899, 75546940, 91735570, 128429798, 183471140, 256859596, 321074495, 642148990, 1284297980]

約数ペア:

[(1, 1284297980), (2, 642148990), (4, 321074495), (5, 256859596), (7, 183471140), (10, 128429798), (14, 91735570), (17, 75546940), (20, 64214899), (28, 45867785), (34, 37773470), (35, 36694228), (68, 18886735), (70, 18347114), (85, 15109388), (119, 10792420), (140, 9173557), (170, 7554694), (238, 5396210), (340, 3777347), (476, 2698105), (595, 2158484), (1190, 1079242), (2380, 539621)]