90314780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 202857984

約数和(自身を除く): 112543204

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 127, 148, 155, 185, 254, 310, 370, 508, 620, 635, 740, 961, 1147, 1270, 1922, 2294, 2540, 3844, 3937, 4588, 4699, 4805, 5735, 7874, 9398, 9610, 11470, 15748, 18796, 19220, 19685, 22940, 23495, 35557, 39370, 46990, 71114, 78740, 93980, 122047, 142228, 145669, 177785, 244094, 291338, 355570, 488188, 582676, 610235, 711140, 728345, 1220470, 1456690, 2440940, 2913380, 4515739, 9031478, 18062956, 22578695, 45157390, 90314780]

約数ペア:

[(1, 90314780), (2, 45157390), (4, 22578695), (5, 18062956), (10, 9031478), (20, 4515739), (31, 2913380), (37, 2440940), (62, 1456690), (74, 1220470), (124, 728345), (127, 711140), (148, 610235), (155, 582676), (185, 488188), (254, 355570), (310, 291338), (370, 244094), (508, 177785), (620, 145669), (635, 142228), (740, 122047), (961, 93980), (1147, 78740), (1270, 71114), (1922, 46990), (2294, 39370), (2540, 35557), (3844, 23495), (3937, 22940), (4588, 19685), (4699, 19220), (4805, 18796), (5735, 15748), (7874, 11470), (9398, 9610)]