28003030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23143}}^1$

素因数の和:23172

約数の個数: 24

約数和(自身を含む): 55406736

約数和(自身を除く): 27403706

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 23143, 46286, 115715, 231430, 254573, 509146, 1272865, 2545730, 2800303, 5600606, 14001515, 28003030]

約数ペア:

[(1, 28003030), (2, 14001515), (5, 5600606), (10, 2800303), (11, 2545730), (22, 1272865), (55, 509146), (110, 254573), (121, 231430), (242, 115715), (605, 46286), (1210, 23143)]