306509420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{17239}}^1$

素因数の和:17382

約数の個数: 48

約数和(自身を含む): 741457920

約数和(自身を除く): 434948500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 17239, 17780, 34478, 68956, 86195, 120673, 172390, 241346, 344780, 482692, 603365, 1206730, 2189353, 2413460, 4378706, 8757412, 10946765, 15325471, 21893530, 30650942, 43787060, 61301884, 76627355, 153254710, 306509420]

約数ペア:

[(1, 306509420), (2, 153254710), (4, 76627355), (5, 61301884), (7, 43787060), (10, 30650942), (14, 21893530), (20, 15325471), (28, 10946765), (35, 8757412), (70, 4378706), (127, 2413460), (140, 2189353), (254, 1206730), (508, 603365), (635, 482692), (889, 344780), (1270, 241346), (1778, 172390), (2540, 120673), (3556, 86195), (4445, 68956), (8890, 34478), (17239, 17780)]