320436172

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{4363}}^1$

素因数の和:4478

約数の個数: 48

約数和(自身を含む): 666679552

約数和(自身を除く): 346243380

約数列:

[1, 2, 4, 7, 14, 28, 43, 61, 86, 122, 172, 244, 301, 427, 602, 854, 1204, 1708, 2623, 4363, 5246, 8726, 10492, 17452, 18361, 30541, 36722, 61082, 73444, 122164, 187609, 266143, 375218, 532286, 750436, 1064572, 1313263, 1863001, 2626526, 3726002, 5253052, 7452004, 11444149, 22888298, 45776596, 80109043, 160218086, 320436172]

約数ペア:

[(1, 320436172), (2, 160218086), (4, 80109043), (7, 45776596), (14, 22888298), (28, 11444149), (43, 7452004), (61, 5253052), (86, 3726002), (122, 2626526), (172, 1863001), (244, 1313263), (301, 1064572), (427, 750436), (602, 532286), (854, 375218), (1204, 266143), (1708, 187609), (2623, 122164), (4363, 73444), (5246, 61082), (8726, 36722), (10492, 30541), (17452, 18361)]