2008105990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1\times {\mathrm{359}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 3989399040

約数和(自身を除く): 1981293050

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 211, 241, 359, 422, 482, 718, 1055, 1205, 1795, 2110, 2321, 2410, 2651, 3590, 3949, 4642, 5302, 7898, 11605, 13255, 19745, 23210, 26510, 39490, 50851, 75749, 86519, 101702, 151498, 173038, 254255, 378745, 432595, 508510, 559361, 757490, 833239, 865190, 951709, 1118722, 1666478, 1903418, 2796805, 4166195, 4758545, 5593610, 8332390, 9517090, 18255509, 36511018, 91277545, 182555090, 200810599, 401621198, 1004052995, 2008105990]

約数ペア:

[(1, 2008105990), (2, 1004052995), (5, 401621198), (10, 200810599), (11, 182555090), (22, 91277545), (55, 36511018), (110, 18255509), (211, 9517090), (241, 8332390), (359, 5593610), (422, 4758545), (482, 4166195), (718, 2796805), (1055, 1903418), (1205, 1666478), (1795, 1118722), (2110, 951709), (2321, 865190), (2410, 833239), (2651, 757490), (3590, 559361), (3949, 508510), (4642, 432595), (5302, 378745), (7898, 254255), (11605, 173038), (13255, 151498), (19745, 101702), (23210, 86519), (26510, 75749), (39490, 50851)]