245156968

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 543369600

約数和(自身を除く): 298212632

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 179, 259, 296, 358, 518, 661, 716, 1036, 1253, 1322, 1432, 2072, 2506, 2644, 4627, 5012, 5288, 6623, 9254, 10024, 13246, 18508, 24457, 26492, 37016, 46361, 48914, 52984, 92722, 97828, 118319, 171199, 185444, 195656, 236638, 342398, 370888, 473276, 684796, 828233, 946552, 1369592, 1656466, 3312932, 4377803, 6625864, 8755606, 17511212, 30644621, 35022424, 61289242, 122578484, 245156968]

約数ペア:

[(1, 245156968), (2, 122578484), (4, 61289242), (7, 35022424), (8, 30644621), (14, 17511212), (28, 8755606), (37, 6625864), (56, 4377803), (74, 3312932), (148, 1656466), (179, 1369592), (259, 946552), (296, 828233), (358, 684796), (518, 473276), (661, 370888), (716, 342398), (1036, 236638), (1253, 195656), (1322, 185444), (1432, 171199), (2072, 118319), (2506, 97828), (2644, 92722), (4627, 52984), (5012, 48914), (5288, 46361), (6623, 37016), (9254, 26492), (10024, 24457), (13246, 18508)]