2851900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 54

約数和(自身を含む): 6614160

約数和(自身を除く): 3762260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 79, 95, 100, 158, 190, 316, 361, 380, 395, 475, 722, 790, 950, 1444, 1501, 1580, 1805, 1900, 1975, 3002, 3610, 3950, 6004, 7220, 7505, 7900, 9025, 15010, 18050, 28519, 30020, 36100, 37525, 57038, 75050, 114076, 142595, 150100, 285190, 570380, 712975, 1425950, 2851900]

約数ペア:

[(1, 2851900), (2, 1425950), (4, 712975), (5, 570380), (10, 285190), (19, 150100), (20, 142595), (25, 114076), (38, 75050), (50, 57038), (76, 37525), (79, 36100), (95, 30020), (100, 28519), (158, 18050), (190, 15010), (316, 9025), (361, 7900), (380, 7505), (395, 7220), (475, 6004), (722, 3950), (790, 3610), (950, 3002), (1444, 1975), (1501, 1900), (1580, 1805)]