2018300675

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 2679605280

約数和(自身を除く): 661304605

約数列:

[1, 5, 25, 29, 43, 101, 145, 215, 505, 641, 725, 1075, 1247, 2525, 2929, 3205, 4343, 6235, 14645, 16025, 18589, 21715, 27563, 31175, 64741, 73225, 92945, 108575, 125947, 137815, 323705, 464725, 629735, 689075, 799327, 1618525, 1877489, 2783863, 3148675, 3996635, 9387445, 13919315, 19983175, 46937225, 69596575, 80732027, 403660135, 2018300675]

約数ペア:

[(1, 2018300675), (5, 403660135), (25, 80732027), (29, 69596575), (43, 46937225), (101, 19983175), (145, 13919315), (215, 9387445), (505, 3996635), (641, 3148675), (725, 2783863), (1075, 1877489), (1247, 1618525), (2525, 799327), (2929, 689075), (3205, 629735), (4343, 464725), (6235, 323705), (14645, 137815), (16025, 125947), (18589, 108575), (21715, 92945), (27563, 73225), (31175, 64741)]