28929180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68879}}^1$

素因数の和:68898

約数の個数: 48

約数和(自身を含む): 92574720

約数和(自身を除く): 63645540

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, 68879, 137758, 206637, 275516, 344395, 413274, 482153, 688790, 826548, 964306, 1033185, 1377580, 1446459, 1928612, 2066370, 2410765, 2892918, 4132740, 4821530, 5785836, 7232295, 9643060, 14464590, 28929180]

約数ペア:

[(1, 28929180), (2, 14464590), (3, 9643060), (4, 7232295), (5, 5785836), (6, 4821530), (7, 4132740), (10, 2892918), (12, 2410765), (14, 2066370), (15, 1928612), (20, 1446459), (21, 1377580), (28, 1033185), (30, 964306), (35, 826548), (42, 688790), (60, 482153), (70, 413274), (84, 344395), (105, 275516), (140, 206637), (210, 137758), (420, 68879)]