9421580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 22800960

約数和(自身を除く): 13379380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 389, 692, 778, 865, 1211, 1556, 1730, 1945, 2422, 2723, 3460, 3890, 4844, 5446, 6055, 7780, 10892, 12110, 13615, 24220, 27230, 54460, 67297, 134594, 269188, 336485, 471079, 672970, 942158, 1345940, 1884316, 2355395, 4710790, 9421580]

約数ペア:

[(1, 9421580), (2, 4710790), (4, 2355395), (5, 1884316), (7, 1345940), (10, 942158), (14, 672970), (20, 471079), (28, 336485), (35, 269188), (70, 134594), (140, 67297), (173, 54460), (346, 27230), (389, 24220), (692, 13615), (778, 12110), (865, 10892), (1211, 7780), (1556, 6055), (1730, 5446), (1945, 4844), (2422, 3890), (2723, 3460)]