2100028105

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^2$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 3217415040

約数和(自身を除く): 1117386935

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 431, 595, 665, 1615, 2155, 2261, 3017, 7327, 8189, 11305, 15085, 36635, 40945, 51289, 57323, 139213, 185761, 256445, 286615, 696065, 928805, 974491, 1300327, 3157937, 3529459, 4872455, 6501635, 15789685, 17647295, 22105559, 24706213, 60000803, 110527795, 123531065, 300004015, 420005621, 2100028105]

約数ペア:

[(1, 2100028105), (5, 420005621), (7, 300004015), (17, 123531065), (19, 110527795), (35, 60000803), (85, 24706213), (95, 22105559), (119, 17647295), (133, 15789685), (323, 6501635), (431, 4872455), (595, 3529459), (665, 3157937), (1615, 1300327), (2155, 974491), (2261, 928805), (3017, 696065), (7327, 286615), (8189, 256445), (11305, 185761), (15085, 139213), (36635, 57323), (40945, 51289)]