149932760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 346420800

約数和(自身を除く): 196488040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 197, 212, 265, 359, 394, 424, 530, 718, 788, 985, 1060, 1436, 1576, 1795, 1970, 2120, 2872, 3590, 3940, 7180, 7880, 10441, 14360, 19027, 20882, 38054, 41764, 52205, 70723, 76108, 83528, 95135, 104410, 141446, 152216, 190270, 208820, 282892, 353615, 380540, 417640, 565784, 707230, 761080, 1414460, 2828920, 3748319, 7496638, 14993276, 18741595, 29986552, 37483190, 74966380, 149932760]

約数ペア:

[(1, 149932760), (2, 74966380), (4, 37483190), (5, 29986552), (8, 18741595), (10, 14993276), (20, 7496638), (40, 3748319), (53, 2828920), (106, 1414460), (197, 761080), (212, 707230), (265, 565784), (359, 417640), (394, 380540), (424, 353615), (530, 282892), (718, 208820), (788, 190270), (985, 152216), (1060, 141446), (1436, 104410), (1576, 95135), (1795, 83528), (1970, 76108), (2120, 70723), (2872, 52205), (3590, 41764), (3940, 38054), (7180, 20882), (7880, 19027), (10441, 14360)]