19079900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 47976096

約数和(自身を除く): 28896196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 97, 100, 140, 175, 194, 281, 350, 388, 485, 562, 679, 700, 970, 1124, 1358, 1405, 1940, 1967, 2425, 2716, 2810, 3395, 3934, 4850, 5620, 6790, 7025, 7868, 9700, 9835, 13580, 14050, 16975, 19670, 27257, 28100, 33950, 39340, 49175, 54514, 67900, 98350, 109028, 136285, 190799, 196700, 272570, 381598, 545140, 681425, 763196, 953995, 1362850, 1907990, 2725700, 3815980, 4769975, 9539950, 19079900]

約数ペア:

[(1, 19079900), (2, 9539950), (4, 4769975), (5, 3815980), (7, 2725700), (10, 1907990), (14, 1362850), (20, 953995), (25, 763196), (28, 681425), (35, 545140), (50, 381598), (70, 272570), (97, 196700), (100, 190799), (140, 136285), (175, 109028), (194, 98350), (281, 67900), (350, 54514), (388, 49175), (485, 39340), (562, 33950), (679, 28100), (700, 27257), (970, 19670), (1124, 16975), (1358, 14050), (1405, 13580), (1940, 9835), (1967, 9700), (2425, 7868), (2716, 7025), (2810, 6790), (3395, 5620), (3934, 4850)]