201790780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{10499}}^1$

素因数の和:10570

約数の個数: 36

約数和(自身を含む): 437913000

約数和(自身を除く): 236122220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 10499, 19220, 20998, 41996, 52495, 104990, 209980, 325469, 650938, 1301876, 1627345, 3254690, 6509380, 10089539, 20179078, 40358156, 50447695, 100895390, 201790780]

約数ペア:

[(1, 201790780), (2, 100895390), (4, 50447695), (5, 40358156), (10, 20179078), (20, 10089539), (31, 6509380), (62, 3254690), (124, 1627345), (155, 1301876), (310, 650938), (620, 325469), (961, 209980), (1922, 104990), (3844, 52495), (4805, 41996), (9610, 20998), (10499, 19220)]