201920524

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 409920000

約数和(自身を除く): 207999476

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 79, 158, 169, 199, 247, 316, 338, 398, 494, 676, 796, 988, 1027, 1501, 2054, 2587, 3002, 3211, 3781, 4108, 5174, 6004, 6422, 7562, 10348, 12844, 13351, 15124, 15721, 19513, 26702, 31442, 33631, 39026, 49153, 53404, 62884, 67262, 78052, 98306, 134524, 196612, 204373, 253669, 298699, 408746, 507338, 597398, 638989, 817492, 1014676, 1194796, 1277978, 2555956, 2656849, 3883087, 5313698, 7766174, 10627396, 15532348, 50480131, 100960262, 201920524]

約数ペア:

[(1, 201920524), (2, 100960262), (4, 50480131), (13, 15532348), (19, 10627396), (26, 7766174), (38, 5313698), (52, 3883087), (76, 2656849), (79, 2555956), (158, 1277978), (169, 1194796), (199, 1014676), (247, 817492), (316, 638989), (338, 597398), (398, 507338), (494, 408746), (676, 298699), (796, 253669), (988, 204373), (1027, 196612), (1501, 134524), (2054, 98306), (2587, 78052), (3002, 67262), (3211, 62884), (3781, 53404), (4108, 49153), (5174, 39026), (6004, 33631), (6422, 31442), (7562, 26702), (10348, 19513), (12844, 15721), (13351, 15124)]