500420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 1064448

約数和(自身を除く): 564028

約数列:

[1, 2, 4, 5, 10, 20, 131, 191, 262, 382, 524, 655, 764, 955, 1310, 1910, 2620, 3820, 25021, 50042, 100084, 125105, 250210, 500420]

約数ペア:

[(1, 500420), (2, 250210), (4, 125105), (5, 100084), (10, 50042), (20, 25021), (131, 3820), (191, 2620), (262, 1910), (382, 1310), (524, 955), (655, 764)]