245933380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{159697}}^1$

素因数の和:159724

約数の個数: 48

約数和(自身を含む): 643902336

約数和(自身を除く): 397968956

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, 159697, 319394, 638788, 798485, 1117879, 1596970, 1756667, 2235758, 3193940, 3513334, 4471516, 5589395, 7026668, 8783335, 11178790, 12296669, 17566670, 22357580, 24593338, 35133340, 49186676, 61483345, 122966690, 245933380]

約数ペア:

[(1, 245933380), (2, 122966690), (4, 61483345), (5, 49186676), (7, 35133340), (10, 24593338), (11, 22357580), (14, 17566670), (20, 12296669), (22, 11178790), (28, 8783335), (35, 7026668), (44, 5589395), (55, 4471516), (70, 3513334), (77, 3193940), (110, 2235758), (140, 1756667), (154, 1596970), (220, 1117879), (308, 798485), (385, 638788), (770, 319394), (1540, 159697)]