7556920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 19673280

約数和(自身を除く): 12116360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 197, 274, 280, 394, 548, 685, 788, 959, 985, 1096, 1370, 1379, 1576, 1918, 1970, 2740, 2758, 3836, 3940, 4795, 5480, 5516, 6895, 7672, 7880, 9590, 11032, 13790, 19180, 26989, 27580, 38360, 53978, 55160, 107956, 134945, 188923, 215912, 269890, 377846, 539780, 755692, 944615, 1079560, 1511384, 1889230, 3778460, 7556920]

約数ペア:

[(1, 7556920), (2, 3778460), (4, 1889230), (5, 1511384), (7, 1079560), (8, 944615), (10, 755692), (14, 539780), (20, 377846), (28, 269890), (35, 215912), (40, 188923), (56, 134945), (70, 107956), (137, 55160), (140, 53978), (197, 38360), (274, 27580), (280, 26989), (394, 19180), (548, 13790), (685, 11032), (788, 9590), (959, 7880), (985, 7672), (1096, 6895), (1370, 5516), (1379, 5480), (1576, 4795), (1918, 3940), (1970, 3836), (2740, 2758)]