251141090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1\times {\mathrm{1049}}^1$

素因数の和:1414

約数の個数: 32

約数和(自身を含む): 459270000

約数和(自身を除く): 208128910

約数列:

[1, 2, 5, 10, 89, 178, 269, 445, 538, 890, 1049, 1345, 2098, 2690, 5245, 10490, 23941, 47882, 93361, 119705, 186722, 239410, 282181, 466805, 564362, 933610, 1410905, 2821810, 25114109, 50228218, 125570545, 251141090]

約数ペア:

[(1, 251141090), (2, 125570545), (5, 50228218), (10, 25114109), (89, 2821810), (178, 1410905), (269, 933610), (445, 564362), (538, 466805), (890, 282181), (1049, 239410), (1345, 186722), (2098, 119705), (2690, 93361), (5245, 47882), (10490, 23941)]