274078780

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{21379}}^1$

素因数の和:22029

約数の個数: 24

約数和(自身を含む): 576490320

約数和(自身を除く): 302411540

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 21379, 42758, 85516, 106895, 213790, 427580, 13703939, 27407878, 54815756, 68519695, 137039390, 274078780]

約数ペア:

[(1, 274078780), (2, 137039390), (4, 68519695), (5, 54815756), (10, 27407878), (20, 13703939), (641, 427580), (1282, 213790), (2564, 106895), (3205, 85516), (6410, 42758), (12820, 21379)]