221623180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{84589}}^1$

素因数の和:84729

約数の個数: 24

約数和(自身を含む): 468966960

約数和(自身を除く): 247343780

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 84589, 169178, 338356, 422945, 845890, 1691780, 11081159, 22162318, 44324636, 55405795, 110811590, 221623180]

約数ペア:

[(1, 221623180), (2, 110811590), (4, 55405795), (5, 44324636), (10, 22162318), (20, 11081159), (131, 1691780), (262, 845890), (524, 422945), (655, 338356), (1310, 169178), (2620, 84589)]