399354670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{279269}}^1$

素因数の和:279300

約数の個数: 32

約数和(自身を含む): 844512480

約数和(自身を除く): 445157810

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 279269, 558538, 1396345, 2792690, 3071959, 3630497, 6143918, 7260994, 15359795, 18152485, 30719590, 36304970, 39935467, 79870934, 199677335, 399354670]

約数ペア:

[(1, 399354670), (2, 199677335), (5, 79870934), (10, 39935467), (11, 36304970), (13, 30719590), (22, 18152485), (26, 15359795), (55, 7260994), (65, 6143918), (110, 3630497), (130, 3071959), (143, 2792690), (286, 1396345), (715, 558538), (1430, 279269)]