2802314440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{72901}}^1$

素因数の和:72974

約数の個数: 48

約数和(自身を含む): 6515251740

約数和(自身を除く): 3712937300

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 7688, 9610, 19220, 38440, 72901, 145802, 291604, 364505, 583208, 729010, 1458020, 2259931, 2916040, 4519862, 9039724, 11299655, 18079448, 22599310, 45198620, 70057861, 90397240, 140115722, 280231444, 350289305, 560462888, 700578610, 1401157220, 2802314440]

約数ペア:

[(1, 2802314440), (2, 1401157220), (4, 700578610), (5, 560462888), (8, 350289305), (10, 280231444), (20, 140115722), (31, 90397240), (40, 70057861), (62, 45198620), (124, 22599310), (155, 18079448), (248, 11299655), (310, 9039724), (620, 4519862), (961, 2916040), (1240, 2259931), (1922, 1458020), (3844, 729010), (4805, 583208), (7688, 364505), (9610, 291604), (19220, 145802), (38440, 72901)]