248836760

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{17623}}^1$

素因数の和:17987

約数の個数: 32

約数和(自身を含む): 561500640

約数和(自身を除く): 312663880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 14120, 17623, 35246, 70492, 88115, 140984, 176230, 352460, 704920, 6220919, 12441838, 24883676, 31104595, 49767352, 62209190, 124418380, 248836760]

約数ペア:

[(1, 248836760), (2, 124418380), (4, 62209190), (5, 49767352), (8, 31104595), (10, 24883676), (20, 12441838), (40, 6220919), (353, 704920), (706, 352460), (1412, 176230), (1765, 140984), (2824, 88115), (3530, 70492), (7060, 35246), (14120, 17623)]