268179980

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{55639}}^1$

素因数の和:55889

約数の個数: 24

約数和(自身を含む): 565524960

約数和(自身を除く): 297344980

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 55639, 111278, 222556, 278195, 556390, 1112780, 13408999, 26817998, 53635996, 67044995, 134089990, 268179980]

約数ペア:

[(1, 268179980), (2, 134089990), (4, 67044995), (5, 53635996), (10, 26817998), (20, 13408999), (241, 1112780), (482, 556390), (964, 278195), (1205, 222556), (2410, 111278), (4820, 55639)]