214767420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{511351}}^1$

素因数の和:511370

約数の個数: 48

約数和(自身を含む): 687257088

約数和(自身を除く): 472489668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 511351, 1022702, 1534053, 2045404, 2556755, 3068106, 3579457, 5113510, 6136212, 7158914, 7670265, 10227020, 10738371, 14317828, 15340530, 17897285, 21476742, 30681060, 35794570, 42953484, 53691855, 71589140, 107383710, 214767420]

約数ペア:

[(1, 214767420), (2, 107383710), (3, 71589140), (4, 53691855), (5, 42953484), (6, 35794570), (7, 30681060), (10, 21476742), (12, 17897285), (14, 15340530), (15, 14317828), (20, 10738371), (21, 10227020), (28, 7670265), (30, 7158914), (35, 6136212), (42, 5113510), (60, 3579457), (70, 3068106), (84, 2556755), (105, 2045404), (140, 1534053), (210, 1022702), (420, 511351)]