30915340

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2237}}^1$

素因数の和:2937

約数の個数: 24

約数和(自身を含む): 65045232

約数和(自身を除く): 34129892

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2237, 2764, 3455, 4474, 6910, 8948, 11185, 13820, 22370, 44740, 1545767, 3091534, 6183068, 7728835, 15457670, 30915340]

約数ペア:

[(1, 30915340), (2, 15457670), (4, 7728835), (5, 6183068), (10, 3091534), (20, 1545767), (691, 44740), (1382, 22370), (2237, 13820), (2764, 11185), (3455, 8948), (4474, 6910)]