156247640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{205589}}^1$

素因数の和:205619

約数の個数: 32

約数和(自身を含む): 370062000

約数和(自身を除く): 213814360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 205589, 411178, 822356, 1027945, 1644712, 2055890, 3906191, 4111780, 7812382, 8223560, 15624764, 19530955, 31249528, 39061910, 78123820, 156247640]

約数ペア:

[(1, 156247640), (2, 78123820), (4, 39061910), (5, 31249528), (8, 19530955), (10, 15624764), (19, 8223560), (20, 7812382), (38, 4111780), (40, 3906191), (76, 2055890), (95, 1644712), (152, 1027945), (190, 822356), (380, 411178), (760, 205589)]