28929890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23909}}^1$

素因数の和:23938

約数の個数: 24

約数和(自身を含む): 57240540

約数和(自身を除く): 28310650

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 23909, 47818, 119545, 239090, 262999, 525998, 1314995, 2629990, 2892989, 5785978, 14464945, 28929890]

約数ペア:

[(1, 28929890), (2, 14464945), (5, 5785978), (10, 2892989), (11, 2629990), (22, 1314995), (55, 525998), (110, 262999), (121, 239090), (242, 119545), (605, 47818), (1210, 23909)]