205129876

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 436665600

約数和(自身を除く): 231535724

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 151, 196, 203, 239, 302, 406, 478, 604, 812, 956, 1057, 1421, 1673, 2114, 2842, 3346, 4228, 4379, 5684, 6692, 6931, 7399, 8758, 11711, 13862, 14798, 17516, 23422, 27724, 29596, 30653, 36089, 46844, 48517, 61306, 72178, 97034, 122612, 144356, 194068, 214571, 252623, 339619, 429142, 505246, 679238, 858284, 1010492, 1046581, 1358476, 1768361, 2093162, 3536722, 4186324, 7073444, 7326067, 14652134, 29304268, 51282469, 102564938, 205129876]

約数ペア:

[(1, 205129876), (2, 102564938), (4, 51282469), (7, 29304268), (14, 14652134), (28, 7326067), (29, 7073444), (49, 4186324), (58, 3536722), (98, 2093162), (116, 1768361), (151, 1358476), (196, 1046581), (203, 1010492), (239, 858284), (302, 679238), (406, 505246), (478, 429142), (604, 339619), (812, 252623), (956, 214571), (1057, 194068), (1421, 144356), (1673, 122612), (2114, 97034), (2842, 72178), (3346, 61306), (4228, 48517), (4379, 46844), (5684, 36089), (6692, 30653), (6931, 29596), (7399, 27724), (8758, 23422), (11711, 17516), (13862, 14798)]