28434140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2447}}^1$

素因数の和:2546

約数の個数: 48

約数和(自身を含む): 69092352

約数和(自身を除く): 40658212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2447, 2905, 4894, 5810, 9788, 11620, 12235, 17129, 24470, 34258, 48940, 68516, 85645, 171290, 203101, 342580, 406202, 812404, 1015505, 1421707, 2031010, 2843414, 4062020, 5686828, 7108535, 14217070, 28434140]

約数ペア:

[(1, 28434140), (2, 14217070), (4, 7108535), (5, 5686828), (7, 4062020), (10, 2843414), (14, 2031010), (20, 1421707), (28, 1015505), (35, 812404), (70, 406202), (83, 342580), (140, 203101), (166, 171290), (332, 85645), (415, 68516), (581, 48940), (830, 34258), (1162, 24470), (1660, 17129), (2324, 12235), (2447, 11620), (2905, 9788), (4894, 5810)]