117540520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 270507600

約数和(自身を除く): 152967080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 137, 178, 241, 274, 356, 445, 482, 548, 685, 712, 890, 964, 1096, 1205, 1370, 1780, 1928, 2410, 2740, 3560, 4820, 5480, 9640, 12193, 21449, 24386, 33017, 42898, 48772, 60965, 66034, 85796, 97544, 107245, 121930, 132068, 165085, 171592, 214490, 243860, 264136, 330170, 428980, 487720, 660340, 857960, 1320680, 2938513, 5877026, 11754052, 14692565, 23508104, 29385130, 58770260, 117540520]

約数ペア:

[(1, 117540520), (2, 58770260), (4, 29385130), (5, 23508104), (8, 14692565), (10, 11754052), (20, 5877026), (40, 2938513), (89, 1320680), (137, 857960), (178, 660340), (241, 487720), (274, 428980), (356, 330170), (445, 264136), (482, 243860), (548, 214490), (685, 171592), (712, 165085), (890, 132068), (964, 121930), (1096, 107245), (1205, 97544), (1370, 85796), (1780, 66034), (1928, 60965), (2410, 48772), (2740, 42898), (3560, 33017), (4820, 24386), (5480, 21449), (9640, 12193)]