680798728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{541}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 1428278400

約数和(自身を除く): 747479672

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 487, 541, 646, 974, 1082, 1292, 1948, 2164, 2584, 3896, 4328, 8279, 9197, 9253, 10279, 16558, 18394, 18506, 20558, 33116, 36788, 37012, 41116, 66232, 73576, 74024, 82232, 157301, 174743, 263467, 314602, 349486, 526934, 629204, 698972, 1053868, 1258408, 1397944, 2107736, 4478939, 5005873, 8957878, 10011746, 17915756, 20023492, 35831512, 40046984, 85099841, 170199682, 340399364, 680798728]

約数ペア:

[(1, 680798728), (2, 340399364), (4, 170199682), (8, 85099841), (17, 40046984), (19, 35831512), (34, 20023492), (38, 17915756), (68, 10011746), (76, 8957878), (136, 5005873), (152, 4478939), (323, 2107736), (487, 1397944), (541, 1258408), (646, 1053868), (974, 698972), (1082, 629204), (1292, 526934), (1948, 349486), (2164, 314602), (2584, 263467), (3896, 174743), (4328, 157301), (8279, 82232), (9197, 74024), (9253, 73576), (10279, 66232), (16558, 41116), (18394, 37012), (18506, 36788), (20558, 33116)]