317468180

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{56489}}^1$

素因数の和:56779

約数の個数: 24

約数和(自身を含む): 669067560

約数和(自身を除く): 351599380

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 56489, 112978, 225956, 282445, 564890, 1129780, 15873409, 31746818, 63493636, 79367045, 158734090, 317468180]

約数ペア:

[(1, 317468180), (2, 158734090), (4, 79367045), (5, 63493636), (10, 31746818), (20, 15873409), (281, 1129780), (562, 564890), (1124, 282445), (1405, 225956), (2810, 112978), (5620, 56489)]