208017940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2111}}^1$

素因数の和:2512

約数の個数: 48

約数和(自身を含む): 471905280

約数和(自身を除く): 263887340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 1516, 1895, 2111, 3790, 4222, 4927, 7580, 8444, 9854, 10555, 19708, 21110, 24635, 27443, 42220, 49270, 54886, 98540, 109772, 137215, 274430, 548860, 800069, 1600138, 3200276, 4000345, 8000690, 10400897, 16001380, 20801794, 41603588, 52004485, 104008970, 208017940]

約数ペア:

[(1, 208017940), (2, 104008970), (4, 52004485), (5, 41603588), (10, 20801794), (13, 16001380), (20, 10400897), (26, 8000690), (52, 4000345), (65, 3200276), (130, 1600138), (260, 800069), (379, 548860), (758, 274430), (1516, 137215), (1895, 109772), (2111, 98540), (3790, 54886), (4222, 49270), (4927, 42220), (7580, 27443), (8444, 24635), (9854, 21110), (10555, 19708)]