208686380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{13931}}^1$

素因数の和:14054

約数の個数: 48

約数和(自身を含む): 505564416

約数和(自身を除く): 296878036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 13931, 14980, 27862, 55724, 69655, 97517, 139310, 195034, 278620, 390068, 487585, 975170, 1490617, 1950340, 2981234, 5962468, 7453085, 10434319, 14906170, 20868638, 29812340, 41737276, 52171595, 104343190, 208686380]

約数ペア:

[(1, 208686380), (2, 104343190), (4, 52171595), (5, 41737276), (7, 29812340), (10, 20868638), (14, 14906170), (20, 10434319), (28, 7453085), (35, 5962468), (70, 2981234), (107, 1950340), (140, 1490617), (214, 975170), (428, 487585), (535, 390068), (749, 278620), (1070, 195034), (1498, 139310), (2140, 97517), (2996, 69655), (3745, 55724), (7490, 27862), (13931, 14980)]