281076620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1277621}}^1$

素因数の和:1277641

約数の個数: 24

約数和(自身を含む): 643921488

約数和(自身を除く): 362844868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1277621, 2555242, 5110484, 6388105, 12776210, 14053831, 25552420, 28107662, 56215324, 70269155, 140538310, 281076620]

約数ペア:

[(1, 281076620), (2, 140538310), (4, 70269155), (5, 56215324), (10, 28107662), (11, 25552420), (20, 14053831), (22, 12776210), (44, 6388105), (55, 5110484), (110, 2555242), (220, 1277621)]