127680700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1019}}^1$

素因数の和:1219

約数の個数: 72

約数和(自身を含む): 318729600

約数和(自身を除く): 191048900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 179, 350, 358, 700, 716, 895, 1019, 1253, 1790, 2038, 2506, 3580, 4076, 4475, 5012, 5095, 6265, 7133, 8950, 10190, 12530, 14266, 17900, 20380, 25060, 25475, 28532, 31325, 35665, 50950, 62650, 71330, 101900, 125300, 142660, 178325, 182401, 356650, 364802, 713300, 729604, 912005, 1276807, 1824010, 2553614, 3648020, 4560025, 5107228, 6384035, 9120050, 12768070, 18240100, 25536140, 31920175, 63840350, 127680700]

約数ペア:

[(1, 127680700), (2, 63840350), (4, 31920175), (5, 25536140), (7, 18240100), (10, 12768070), (14, 9120050), (20, 6384035), (25, 5107228), (28, 4560025), (35, 3648020), (50, 2553614), (70, 1824010), (100, 1276807), (140, 912005), (175, 729604), (179, 713300), (350, 364802), (358, 356650), (700, 182401), (716, 178325), (895, 142660), (1019, 125300), (1253, 101900), (1790, 71330), (2038, 62650), (2506, 50950), (3580, 35665), (4076, 31325), (4475, 28532), (5012, 25475), (5095, 25060), (6265, 20380), (7133, 17900), (8950, 14266), (10190, 12530)]