131978220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199967}}^1$

素因数の和:199990

約数の個数: 48

約数和(自身を含む): 403135488

約数和(自身を除く): 271157268

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 199967, 399934, 599901, 799868, 999835, 1199802, 1999670, 2199637, 2399604, 2999505, 3999340, 4399274, 5999010, 6598911, 8798548, 10998185, 11998020, 13197822, 21996370, 26395644, 32994555, 43992740, 65989110, 131978220]

約数ペア:

[(1, 131978220), (2, 65989110), (3, 43992740), (4, 32994555), (5, 26395644), (6, 21996370), (10, 13197822), (11, 11998020), (12, 10998185), (15, 8798548), (20, 6598911), (22, 5999010), (30, 4399274), (33, 3999340), (44, 2999505), (55, 2399604), (60, 2199637), (66, 1999670), (110, 1199802), (132, 999835), (165, 799868), (220, 599901), (330, 399934), (660, 199967)]