28787900

素因数分解:

$2^2\times 5^2\times {\mathrm{479}}^1\times {\mathrm{601}}^1$

素因数の和:1094

約数の個数: 36

約数和(自身を含む): 62704320

約数和(自身を除く): 33916420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 479, 601, 958, 1202, 1916, 2395, 2404, 3005, 4790, 6010, 9580, 11975, 12020, 15025, 23950, 30050, 47900, 60100, 287879, 575758, 1151516, 1439395, 2878790, 5757580, 7196975, 14393950, 28787900]

約数ペア:

[(1, 28787900), (2, 14393950), (4, 7196975), (5, 5757580), (10, 2878790), (20, 1439395), (25, 1151516), (50, 575758), (100, 287879), (479, 60100), (601, 47900), (958, 30050), (1202, 23950), (1916, 15025), (2395, 12020), (2404, 11975), (3005, 9580), (4790, 6010)]