344562020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{142381}}^1$

素因数の和:142412

約数の個数: 36

約数和(自身を含む): 795345852

約数和(自身を除く): 450783832

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 142381, 284762, 569524, 711905, 1423810, 1566191, 2847620, 3132382, 6264764, 7830955, 15661910, 17228101, 31323820, 34456202, 68912404, 86140505, 172281010, 344562020]

約数ペア:

[(1, 344562020), (2, 172281010), (4, 86140505), (5, 68912404), (10, 34456202), (11, 31323820), (20, 17228101), (22, 15661910), (44, 7830955), (55, 6264764), (110, 3132382), (121, 2847620), (220, 1566191), (242, 1423810), (484, 711905), (605, 569524), (1210, 284762), (2420, 142381)]