2901719380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{105211}}^1$

素因数の和:105424

約数の個数: 48

約数和(自身を含む): 6999543936

約数和(自身を除く): 4097824556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 13790, 27580, 105211, 210422, 420844, 526055, 736477, 1052110, 1472954, 2104220, 2945908, 3682385, 7364770, 14729540, 20726567, 41453134, 82906268, 103632835, 145085969, 207265670, 290171938, 414531340, 580343876, 725429845, 1450859690, 2901719380]

約数ペア:

[(1, 2901719380), (2, 1450859690), (4, 725429845), (5, 580343876), (7, 414531340), (10, 290171938), (14, 207265670), (20, 145085969), (28, 103632835), (35, 82906268), (70, 41453134), (140, 20726567), (197, 14729540), (394, 7364770), (788, 3682385), (985, 2945908), (1379, 2104220), (1970, 1472954), (2758, 1052110), (3940, 736477), (5516, 526055), (6895, 420844), (13790, 210422), (27580, 105211)]