239719504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{1381}}^1$

素因数の和:1979

約数の個数: 40

約数和(自身を含む): 490112480

約数和(自身を除く): 250392976

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 571, 1142, 1381, 2284, 2762, 4568, 5524, 9136, 10849, 11048, 21698, 22096, 26239, 43396, 52478, 86792, 104956, 173584, 209912, 419824, 788551, 1577102, 3154204, 6308408, 12616816, 14982469, 29964938, 59929876, 119859752, 239719504]

約数ペア:

[(1, 239719504), (2, 119859752), (4, 59929876), (8, 29964938), (16, 14982469), (19, 12616816), (38, 6308408), (76, 3154204), (152, 1577102), (304, 788551), (571, 419824), (1142, 209912), (1381, 173584), (2284, 104956), (2762, 86792), (4568, 52478), (5524, 43396), (9136, 26239), (10849, 22096), (11048, 21698)]