170707900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{499}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 406224000

約数和(自身を除く): 235516100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 311, 499, 550, 622, 998, 1100, 1244, 1555, 1996, 2495, 3110, 3421, 4990, 5489, 6220, 6842, 7775, 9980, 10978, 12475, 13684, 15550, 17105, 21956, 24950, 27445, 31100, 34210, 49900, 54890, 68420, 85525, 109780, 137225, 155189, 171050, 274450, 310378, 342100, 548900, 620756, 775945, 1551890, 1707079, 3103780, 3414158, 3879725, 6828316, 7759450, 8535395, 15518900, 17070790, 34141580, 42676975, 85353950, 170707900]

約数ペア:

[(1, 170707900), (2, 85353950), (4, 42676975), (5, 34141580), (10, 17070790), (11, 15518900), (20, 8535395), (22, 7759450), (25, 6828316), (44, 3879725), (50, 3414158), (55, 3103780), (100, 1707079), (110, 1551890), (220, 775945), (275, 620756), (311, 548900), (499, 342100), (550, 310378), (622, 274450), (998, 171050), (1100, 155189), (1244, 137225), (1555, 109780), (1996, 85525), (2495, 68420), (3110, 54890), (3421, 49900), (4990, 34210), (5489, 31100), (6220, 27445), (6842, 24950), (7775, 21956), (9980, 17105), (10978, 15550), (12475, 13684)]