78800260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51169}}^1$

素因数の和:51196

約数の個数: 48

約数和(自身を含む): 206317440

約数和(自身を除く): 127517180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 51169, 102338, 204676, 255845, 358183, 511690, 562859, 716366, 1023380, 1125718, 1432732, 1790915, 2251436, 2814295, 3581830, 3940013, 5628590, 7163660, 7880026, 11257180, 15760052, 19700065, 39400130, 78800260]

約数ペア:

[(1, 78800260), (2, 39400130), (4, 19700065), (5, 15760052), (7, 11257180), (10, 7880026), (11, 7163660), (14, 5628590), (20, 3940013), (22, 3581830), (28, 2814295), (35, 2251436), (44, 1790915), (55, 1432732), (70, 1125718), (77, 1023380), (110, 716366), (140, 562859), (154, 511690), (220, 358183), (308, 255845), (385, 204676), (770, 102338), (1540, 51169)]