205024260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{488153}}^1$

素因数の和:488172

約数の個数: 48

約数和(自身を含む): 656078976

約数和(自身を除く): 451054716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 488153, 976306, 1464459, 1952612, 2440765, 2928918, 3417071, 4881530, 5857836, 6834142, 7322295, 9763060, 10251213, 13668284, 14644590, 17085355, 20502426, 29289180, 34170710, 41004852, 51256065, 68341420, 102512130, 205024260]

約数ペア:

[(1, 205024260), (2, 102512130), (3, 68341420), (4, 51256065), (5, 41004852), (6, 34170710), (7, 29289180), (10, 20502426), (12, 17085355), (14, 14644590), (15, 13668284), (20, 10251213), (21, 9763060), (28, 7322295), (30, 6834142), (35, 5857836), (42, 4881530), (60, 3417071), (70, 2928918), (84, 2440765), (105, 1952612), (140, 1464459), (210, 976306), (420, 488153)]