495323425

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 36

約数和(自身を含む): 648289980

約数和(自身を除く): 152966555

約数列:

[1, 5, 25, 31, 53, 155, 265, 389, 775, 961, 1325, 1643, 1945, 4805, 8215, 9725, 12059, 20617, 24025, 41075, 50933, 60295, 103085, 254665, 301475, 373829, 515425, 639127, 1273325, 1869145, 3195635, 9345725, 15978175, 19812937, 99064685, 495323425]

約数ペア:

[(1, 495323425), (5, 99064685), (25, 19812937), (31, 15978175), (53, 9345725), (155, 3195635), (265, 1869145), (389, 1273325), (775, 639127), (961, 515425), (1325, 373829), (1643, 301475), (1945, 254665), (4805, 103085), (8215, 60295), (9725, 50933), (12059, 41075), (20617, 24025)]