221134540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{52903}}^1$

素因数の和:52942

約数の個数: 48

約数和(自身を含む): 533272320

約数和(自身を除く): 312137780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 52903, 105806, 211612, 264515, 529030, 581933, 1005157, 1058060, 1163866, 2010314, 2327732, 2909665, 4020628, 5025785, 5819330, 10051570, 11056727, 11638660, 20103140, 22113454, 44226908, 55283635, 110567270, 221134540]

約数ペア:

[(1, 221134540), (2, 110567270), (4, 55283635), (5, 44226908), (10, 22113454), (11, 20103140), (19, 11638660), (20, 11056727), (22, 10051570), (38, 5819330), (44, 5025785), (55, 4020628), (76, 2909665), (95, 2327732), (110, 2010314), (190, 1163866), (209, 1058060), (220, 1005157), (380, 581933), (418, 529030), (836, 264515), (1045, 211612), (2090, 105806), (4180, 52903)]