2661569240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{549911}}^1$

素因数の和:549944

約数の個数: 48

約数和(自身を含む): 6582446640

約数和(自身を除く): 3920877400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 549911, 1099822, 2199644, 2749555, 4399288, 5499110, 6049021, 10998220, 12098042, 21996440, 24196084, 30245105, 48392168, 60490210, 66539231, 120980420, 133078462, 241960840, 266156924, 332696155, 532313848, 665392310, 1330784620, 2661569240]

約数ペア:

[(1, 2661569240), (2, 1330784620), (4, 665392310), (5, 532313848), (8, 332696155), (10, 266156924), (11, 241960840), (20, 133078462), (22, 120980420), (40, 66539231), (44, 60490210), (55, 48392168), (88, 30245105), (110, 24196084), (121, 21996440), (220, 12098042), (242, 10998220), (440, 6049021), (484, 5499110), (605, 4399288), (968, 2749555), (1210, 2199644), (2420, 1099822), (4840, 549911)]