28444900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1405

約数の個数: 72

約数和(自身を含む): 70932960

約数和(自身を除く): 42488060

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1361, 1900, 2090, 2722, 4180, 5225, 5444, 6805, 10450, 13610, 14971, 20900, 25859, 27220, 29942, 34025, 51718, 59884, 68050, 74855, 103436, 129295, 136100, 149710, 258590, 284449, 299420, 374275, 517180, 568898, 646475, 748550, 1137796, 1292950, 1422245, 1497100, 2585900, 2844490, 5688980, 7111225, 14222450, 28444900]

約数ペア:

[(1, 28444900), (2, 14222450), (4, 7111225), (5, 5688980), (10, 2844490), (11, 2585900), (19, 1497100), (20, 1422245), (22, 1292950), (25, 1137796), (38, 748550), (44, 646475), (50, 568898), (55, 517180), (76, 374275), (95, 299420), (100, 284449), (110, 258590), (190, 149710), (209, 136100), (220, 129295), (275, 103436), (380, 74855), (418, 68050), (475, 59884), (550, 51718), (836, 34025), (950, 29942), (1045, 27220), (1100, 25859), (1361, 20900), (1900, 14971), (2090, 13610), (2722, 10450), (4180, 6805), (5225, 5444)]