3778460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 9180864

約数和(自身を除く): 5402404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 197, 274, 394, 548, 685, 788, 959, 985, 1370, 1379, 1918, 1970, 2740, 2758, 3836, 3940, 4795, 5516, 6895, 9590, 13790, 19180, 26989, 27580, 53978, 107956, 134945, 188923, 269890, 377846, 539780, 755692, 944615, 1889230, 3778460]

約数ペア:

[(1, 3778460), (2, 1889230), (4, 944615), (5, 755692), (7, 539780), (10, 377846), (14, 269890), (20, 188923), (28, 134945), (35, 107956), (70, 53978), (137, 27580), (140, 26989), (197, 19180), (274, 13790), (394, 9590), (548, 6895), (685, 5516), (788, 4795), (959, 3940), (985, 3836), (1370, 2758), (1379, 2740), (1918, 1970)]