209839025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 299230848

約数和(自身を除く): 89391823

約数列:

[1, 5, 11, 25, 37, 41, 55, 185, 205, 275, 407, 451, 503, 925, 1025, 1517, 2035, 2255, 2515, 5533, 7585, 10175, 11275, 12575, 16687, 18611, 20623, 27665, 37925, 83435, 93055, 103115, 138325, 204721, 226853, 417175, 465275, 515575, 763051, 1023605, 1134265, 3815255, 5118025, 5671325, 8393561, 19076275, 41967805, 209839025]

約数ペア:

[(1, 209839025), (5, 41967805), (11, 19076275), (25, 8393561), (37, 5671325), (41, 5118025), (55, 3815255), (185, 1134265), (205, 1023605), (275, 763051), (407, 515575), (451, 465275), (503, 417175), (925, 226853), (1025, 204721), (1517, 138325), (2035, 103115), (2255, 93055), (2515, 83435), (5533, 37925), (7585, 27665), (10175, 20623), (11275, 18611), (12575, 16687)]