28261000

素因数分解:

$2^3\times 5^3\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 67392000

約数和(自身を除く): 39131000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 125, 200, 236, 250, 295, 472, 479, 500, 590, 958, 1000, 1180, 1475, 1916, 2360, 2395, 2950, 3832, 4790, 5900, 7375, 9580, 11800, 11975, 14750, 19160, 23950, 28261, 29500, 47900, 56522, 59000, 59875, 95800, 113044, 119750, 141305, 226088, 239500, 282610, 479000, 565220, 706525, 1130440, 1413050, 2826100, 3532625, 5652200, 7065250, 14130500, 28261000]

約数ペア:

[(1, 28261000), (2, 14130500), (4, 7065250), (5, 5652200), (8, 3532625), (10, 2826100), (20, 1413050), (25, 1130440), (40, 706525), (50, 565220), (59, 479000), (100, 282610), (118, 239500), (125, 226088), (200, 141305), (236, 119750), (250, 113044), (295, 95800), (472, 59875), (479, 59000), (500, 56522), (590, 47900), (958, 29500), (1000, 28261), (1180, 23950), (1475, 19160), (1916, 14750), (2360, 11975), (2395, 11800), (2950, 9580), (3832, 7375), (4790, 5900)]