1330784620

素因数分解:

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

素因数の和:549942

約数の個数: 36

約数和(自身を含む): 3071808432

約数和(自身を除く): 1741023812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 549911, 1099822, 2199644, 2749555, 5499110, 6049021, 10998220, 12098042, 24196084, 30245105, 60490210, 66539231, 120980420, 133078462, 266156924, 332696155, 665392310, 1330784620]

約数ペア:

[(1, 1330784620), (2, 665392310), (4, 332696155), (5, 266156924), (10, 133078462), (11, 120980420), (20, 66539231), (22, 60490210), (44, 30245105), (55, 24196084), (110, 12098042), (121, 10998220), (220, 6049021), (242, 5499110), (484, 2749555), (605, 2199644), (1210, 1099822), (2420, 549911)]