1810839745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7841}}^1$

素因数の和:7906

約数の個数: 64

約数和(自身を含む): 2845704960

約数和(自身を除く): 1034865215

約数列:

[1, 5, 11, 13, 17, 19, 55, 65, 85, 95, 143, 187, 209, 221, 247, 323, 715, 935, 1045, 1105, 1235, 1615, 2431, 2717, 3553, 4199, 7841, 12155, 13585, 17765, 20995, 39205, 46189, 86251, 101933, 133297, 148979, 230945, 431255, 509665, 666485, 744895, 1121263, 1466267, 1638769, 1732861, 1936727, 2532643, 5606315, 7331335, 8193845, 8664305, 9683635, 12663215, 19061471, 21303997, 27859073, 32924359, 95307355, 106519985, 139295365, 164621795, 362167949, 1810839745]

約数ペア:

[(1, 1810839745), (5, 362167949), (11, 164621795), (13, 139295365), (17, 106519985), (19, 95307355), (55, 32924359), (65, 27859073), (85, 21303997), (95, 19061471), (143, 12663215), (187, 9683635), (209, 8664305), (221, 8193845), (247, 7331335), (323, 5606315), (715, 2532643), (935, 1936727), (1045, 1732861), (1105, 1638769), (1235, 1466267), (1615, 1121263), (2431, 744895), (2717, 666485), (3553, 509665), (4199, 431255), (7841, 230945), (12155, 148979), (13585, 133297), (17765, 101933), (20995, 86251), (39205, 46189)]