9039440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{313}}^1$

素因数の和:364

約数の個数: 60

約数和(自身を含む): 22251924

約数和(自身を除く): 13212484

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 313, 361, 380, 626, 722, 760, 1252, 1444, 1520, 1565, 1805, 2504, 2888, 3130, 3610, 5008, 5776, 5947, 6260, 7220, 11894, 12520, 14440, 23788, 25040, 28880, 29735, 47576, 59470, 95152, 112993, 118940, 225986, 237880, 451972, 475760, 564965, 903944, 1129930, 1807888, 2259860, 4519720, 9039440]

約数ペア:

[(1, 9039440), (2, 4519720), (4, 2259860), (5, 1807888), (8, 1129930), (10, 903944), (16, 564965), (19, 475760), (20, 451972), (38, 237880), (40, 225986), (76, 118940), (80, 112993), (95, 95152), (152, 59470), (190, 47576), (304, 29735), (313, 28880), (361, 25040), (380, 23788), (626, 14440), (722, 12520), (760, 11894), (1252, 7220), (1444, 6260), (1520, 5947), (1565, 5776), (1805, 5008), (2504, 3610), (2888, 3130)]