11919500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 26906880

約数和(自身を除く): 14987380

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 769, 775, 1538, 1550, 3076, 3100, 3845, 3875, 7690, 7750, 15380, 15500, 19225, 23839, 38450, 47678, 76900, 95356, 96125, 119195, 192250, 238390, 384500, 476780, 595975, 1191950, 2383900, 2979875, 5959750, 11919500]

約数ペア:

[(1, 11919500), (2, 5959750), (4, 2979875), (5, 2383900), (10, 1191950), (20, 595975), (25, 476780), (31, 384500), (50, 238390), (62, 192250), (100, 119195), (124, 96125), (125, 95356), (155, 76900), (250, 47678), (310, 38450), (500, 23839), (620, 19225), (769, 15500), (775, 15380), (1538, 7750), (1550, 7690), (3076, 3875), (3100, 3845)]