3815980

素因数分解:

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

素因数の和:394

約数の個数: 48

約数和(自身を含む): 9285696

約数和(自身を除く): 5469716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 281, 388, 485, 562, 679, 970, 1124, 1358, 1405, 1940, 1967, 2716, 2810, 3395, 3934, 5620, 6790, 7868, 9835, 13580, 19670, 27257, 39340, 54514, 109028, 136285, 190799, 272570, 381598, 545140, 763196, 953995, 1907990, 3815980]

約数ペア:

[(1, 3815980), (2, 1907990), (4, 953995), (5, 763196), (7, 545140), (10, 381598), (14, 272570), (20, 190799), (28, 136285), (35, 109028), (70, 54514), (97, 39340), (140, 27257), (194, 19670), (281, 13580), (388, 9835), (485, 7868), (562, 6790), (679, 5620), (970, 3934), (1124, 3395), (1358, 2810), (1405, 2716), (1940, 1967)]