439860740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{86929}}^1$

素因数の和:86972

約数の個数: 48

約数和(自身を含む): 1051505280

約数和(自身を除く): 611644540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 86929, 173858, 347716, 434645, 869290, 956219, 1738580, 1912438, 1999367, 3824876, 3998734, 4781095, 7997468, 9562190, 9996835, 19124380, 19993670, 21993037, 39987340, 43986074, 87972148, 109965185, 219930370, 439860740]

約数ペア:

[(1, 439860740), (2, 219930370), (4, 109965185), (5, 87972148), (10, 43986074), (11, 39987340), (20, 21993037), (22, 19993670), (23, 19124380), (44, 9996835), (46, 9562190), (55, 7997468), (92, 4781095), (110, 3998734), (115, 3824876), (220, 1999367), (230, 1912438), (253, 1738580), (460, 956219), (506, 869290), (1012, 434645), (1265, 347716), (2530, 173858), (5060, 86929)]