30540620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{138821}}^1$

素因数の和:138841

約数の個数: 24

約数和(自身を含む): 69966288

約数和(自身を除く): 39425668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 138821, 277642, 555284, 694105, 1388210, 1527031, 2776420, 3054062, 6108124, 7635155, 15270310, 30540620]

約数ペア:

[(1, 30540620), (2, 15270310), (4, 7635155), (5, 6108124), (10, 3054062), (11, 2776420), (20, 1527031), (22, 1388210), (44, 694105), (55, 555284), (110, 277642), (220, 138821)]