11857900

素因数分解:

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

素因数の和:191

約数の個数: 54

約数和(自身を含む): 27433140

約数和(自身を除く): 15575240

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 79, 95, 100, 158, 190, 316, 380, 395, 475, 790, 950, 1501, 1580, 1900, 1975, 3002, 3950, 6004, 6241, 7505, 7900, 12482, 15010, 24964, 30020, 31205, 37525, 62410, 75050, 118579, 124820, 150100, 156025, 237158, 312050, 474316, 592895, 624100, 1185790, 2371580, 2964475, 5928950, 11857900]

約数ペア:

[(1, 11857900), (2, 5928950), (4, 2964475), (5, 2371580), (10, 1185790), (19, 624100), (20, 592895), (25, 474316), (38, 312050), (50, 237158), (76, 156025), (79, 150100), (95, 124820), (100, 118579), (158, 75050), (190, 62410), (316, 37525), (380, 31205), (395, 30020), (475, 24964), (790, 15010), (950, 12482), (1501, 7900), (1580, 7505), (1900, 6241), (1975, 6004), (3002, 3950)]