1057151990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{769}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 2049062400

約数和(自身を除く): 991910410

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 139, 215, 230, 278, 430, 695, 769, 989, 1390, 1538, 1978, 3197, 3845, 4945, 5977, 6394, 7690, 9890, 11954, 15985, 17687, 29885, 31970, 33067, 35374, 59770, 66134, 88435, 106891, 137471, 165335, 176870, 213782, 274942, 330670, 534455, 687355, 760541, 1068910, 1374710, 1521082, 2458493, 3802705, 4596313, 4916986, 7605410, 9192626, 12292465, 22981565, 24584930, 45963130, 105715199, 211430398, 528575995, 1057151990]

約数ペア:

[(1, 1057151990), (2, 528575995), (5, 211430398), (10, 105715199), (23, 45963130), (43, 24584930), (46, 22981565), (86, 12292465), (115, 9192626), (139, 7605410), (215, 4916986), (230, 4596313), (278, 3802705), (430, 2458493), (695, 1521082), (769, 1374710), (989, 1068910), (1390, 760541), (1538, 687355), (1978, 534455), (3197, 330670), (3845, 274942), (4945, 213782), (5977, 176870), (6394, 165335), (7690, 137471), (9890, 106891), (11954, 88435), (15985, 66134), (17687, 59770), (29885, 35374), (31970, 33067)]